A new privacy tool, Privacy Pools, launched on Ethereum by 0xbow.io on March 31, allows users to transact privately while proving their funds aren’t tied to illicit activities.

The S&P 500 rose 0.55%, with 10 of 11 sectors up, led by staples, financials, and utilities. Gold hit a record $3,128.06, set for its best quarter since 1986, driven by tariff fears and safe-haven demand. The Coindesk Indices, which tracks the broader crypto market, are up by 1.88%, with Bitcoin down by 0.16% and Ether up by 0.39% in the past 24 hours. Trade these markets and more with up to 500x leverage on Bybit MT5 using this 

Today's top performer is WAL, up 28.1%, following the building of trust in the digital world with the power of Walrus and blockchain provenance.

Walrus (WAL), launched in March 2025, is a decentralized storage network on Sui, enhancing Filecoin and Arweave with programmable, scalable storage by distributing file fragments across global nodes for reliability. 

, a key part of the Provenance Stack, ensures content remains unaltered with decentralized storage, while Sui tracks ownership on a fast, scalable blockchain. Blockchain technology offers a solution to the internet's struggle with verifying digital content, combating misinformation and fraud. By adopting these tools, developers, creators, and users can build a more trustworthy digital world based on verifiable content origin.

Check out the latest prices, charts, and data of 

, launched on Ethereum by 0xbow.io on March 31, allows users to transact privately while proving their funds aren’t tied to illicit activities. The tool, which earned support from Ethereum co-founder Vitalik Buterin, uses “Association Sets” to batch transactions into anonymous pools, with a screening process to ensure funds are not linked to criminals. If a deposit is flagged as illicit, users can "ragequit" and reclaim their funds. The project aims to balance privacy with regulatory compliance, following backlash against privacy tools like Tornado Cash. Initial deposits are limited to 1 Ether, with the possibility of increasing the limit once the protocol is tested further. Privacy Pools has already received over 21 ETH in deposits, including Buterin’s. The tool was inspired by a white paper co-authored by Buterin and others, and its code passed a successful audit.

Yesterday, BTC spot ETFs saw a net outflow of $75.7M, with no change in GBTC and all losses from non-GBTC funds.

 the first agentic ecosystem on BNB Chain, allowing users to securely create, train, and collaborate with AI agents. Users can launch AI agents by staking through their EVM wallets, with training hubs and reward systems coming soon. Additionally, gas fees deposited for voting can now be withdrawn via the Mind Network dashboard.

Beginner

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Privacy Pools launches on Ethereum with Vitalik Buterin's support and focus on regulated privacy

AB is a scalable blockchain ecosystem enabling real-world asset tokenization, cross-chain interoperability, and decentralized governance for global adoption.

 technology, projects have to evolve and adapt in order to remain competitive and relevant in the space. One such project that has continued to evolve is AB, which rebranded from Newton Project in February 2025.

Within a month of its rebranding, AB continued on a price rally that saw the AB token hit its all-time high (ATH) price of $0.017 on Mar 22, 2025.

The Newton Project began in 2018 with the vision of creating a community economy whose members would benefit from the project's growth.

Now, with the rebranding to AB, the project has shifted into building a broader and more advanced blockchain ecosystem that includes 

 (RWA) integration and optimized tokenomics.

 is a heterogeneous and interoperable blockchain network designed to help bridge the gap between digital and real-world economies.

 The project builds on the vision of the Newton Project, which was started in 2018 to provide a community-focused blockchain economy centered on decentralization.

The rebranding of Newton to AB signifies a shift toward empowered decentralization, enhanced liquidity, more real-world adoption and better interoperability.

With its shift, AB has developed a more advanced architecture with the following innovative features to cater to the dynamic needs of 

 (DAO) empowers AB token holders to actively participate in the project's governance. Token holders can propose and vote on key decisions, including network upgrades, economic parameters and strategic initiatives, ensuring the ecosystem remains community-driven.

, thereby promoting transparency and accountability. This decentralized model fosters trust and aligns the project's evolution with the interests of its community.

​AB Wallet is a decentralized digital wallet, developed by the AB Foundation, that’s designed to support multiple tokens with an emphasis on speed and security. It serves as the official wallet for the AB Community Economy, allowing users to manage their digital assets efficiently. The wallet is available for download on the App Store, and as an APK for Android devices.

NewBridge, which is integrated within the AB Wallet, is a cross-chain platform developed by the AB Core Team that facilitates the transfer of assets across different blockchains. It enables users to move assets such as 

Developers can also utilize NewBridge's APIs to create 

 (DApps) with cross-chain capabilities. ​

AB operates at a more advanced level than its predecessor, the Newton Project, while remaining true to the vision of a community-focused blockchain economy.

Central to AB's operations is its MainNet (formerly known as New Chain in Newton). This public blockchain is fast and scalable, with a

 (PoA) consensus mechanism that entrusts several pre-approved validators with the security and validation of transactions on AB’s network.

 is designed to provide technical support to business 

 by delivering real value. This technology layer supports various features, such as supply chain, digital and credit identity, payments and self-finance. One of AB's first applications powered by this technology is New Mall, an e-commerce store that leverages blockchain technology.

With the rebranding, AB introduced sidechains to ensure optimized functionality on AB, which leads to scalability and better efficiency.

AB also enhances the Hyper Exchange Protocol's real-world utility by facilitating the tokenization of RWAs into blockchain tokens on its network. This makes it easier to trade these assets, which leads to more adoption.

The AB token (formerly NEW) is the native cryptocurrency of the AB crypto project. Its various use cases include the following:

As of Apr 1, 2025, AB was trading at $0.015, which is a 13.1% drop from its ATH of $0.017 on Mar 22, 2025, and an increase of almost 400,000% from its ATL of $0.0000038 on Oct 11, 2022.

AB has a total supply of 100 billion tokens, with a circulating supply of approximately 50 billion. With the rebranding, AB has revised its tokenomics to promote liquidity and incentivize participation in the network.

With the updated token distribution model, 56.6 billion AB tokens were locked as of February 2025. These tokens will be released monthly over a period of 12 months, and will be fully in circulation by February 2026.

Also, from February 2025, token incentives were made exclusive to machine node operators on the MainNet and sidechains. However, the project is exploring ways to incentivize AB token holders in the future through 

AB marks a significant evolution in blockchain technology, rebranding from the Newton Project to better align with its vision of real-world adoption. By leveraging the AB MainNet, high-performance sidechains and cross-chain interoperability, AB is positioning itself as a scalable and efficient blockchain ecosystem.

With use cases spanning finance, gaming, supply chain and asset tokenization, AB enables seamless integration of blockchain tech into everyday applications. Its decentralized governance model via the AB DAO ensures transparency and community-driven innovation. As AB continues expanding its ecosystem, it stands to drive mainstream blockchain adoption, providing traditional industries with a bridge to web3 solutions.

Intermediate

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AB (AB): Scaling blockchain for real-world adoption

Space Nation is a web3 gaming and media ecosystem. Gamers play as space explorers, fulfilling a variety of quests and earn cryptocurrency. Learn more here.

Massive multiplayer online role-playing games (MMORPGs) are one of the most popular types within the online world of 

. These immersive worlds, where players level up characters through exploration, fighting and trading, are a great way to capture gamers' imaginations. It's no surprise, then, that there's a big demand for MMORPGs with 

 capabilities. By combining classic gaming strategies with blockchain technology, Space Nation hopes to create the most immersive gaming experience ever. Keep reading to learn all about Space Nation's design and see what its crypto tokens are like.

 is a web3 gaming and media ecosystem. Gamers play as explorers navigating through outer space to fulfill a variety of quests and earn cryptocurrency. The game also has links to a live-action TV show and other real-world media.

. Its founding team has decades of collective experience working with AAA games, including 

, and also includes filmmakers who have worked on movies like 

. This diverse set of founders is united by their love of science fiction and gaming. To help make their dream a reality, they’re joined by a team of over 10 cryptocurrency and game design experts. Space Nation has been in development since 2022, and has acquired over $50 million worth of funding.

 is to create a vibrant, immersive gaming ecosystem for users to enjoy. While many web3 games are focused more on fast releases and impressive crypto prices, there’s a real need for quality 

 games. Space Nation hopes to create a complex system that entertains and challenges users while using blockchain technology as just one of many tools. Its stated four primary goals are as follows:

As a huge MMORPG with thousands of assets, locations and players, Space Nation's system is highly complex. Its games are designed to be fully playable for both Web 2.0 and web3 users. Anyone can download 

 onto their computer as standard software, and the player interface will guide users through enjoying the game. As with most MMORPGs, there’s a whole team of designers behind the project who come up with asset designs, questlines and world-building to make the game entertaining.

 chain is known for its scalability and cost efficiency, and Space Nation believes it can easily accommodate massive numbers of players. The blockchain handles things like buying and selling ships, buying fuel and other in-game essentials. Meanwhile, the Space Nation account system lets users log in with their 

, and then automatically handles game token management for players. 

Although Space Nation is just starting out, it's already released quite a few features for gamers to enjoy.

 revolves around ships that players can create and operate to fly through space and reach various location markers. Players can choose between combat, mining and exploration ships, depending upon how they wish to play the game. Quests guide a player through certain activities, and the player receives rewards that help them level up their spaceship and captain. In addition, players are in charge of their own growth, and can choose various development paths based on how they want to interact with the game. 

. The first, craftable NFTs, consists of in-game assets that can be made from game materials or purchased if players don't want to craft them themselves. Craftable NFTs are primarily tools or simple ships. 

There are also collectible, non-craftable NFTs that provide exclusive perks, such as the ability to participate in alpha and beta playtests. Some of these non-craftable NFTs also offer rare skins for your spaceship or profile picture. 

After testing its system through several closed betas and soft launches, Space Nation is aiming for a full public global launch, set to take place sometime in 2025 after the final soft launch concludes. Once the game is operational, the system will launch the Space Nation 

 (DAO) in stages. The eventual goal is to give players full control over their world. There are also plans to expand to a mobile game that can be played directly from a player’s cell phone.

Unlike some other games, Space Nation actually has two tokens. This dual-token system supports flexibility and ensures that people can enjoy the game, regardless of their particular web3 capabilities.

. People can use it to participate in community governance and to interact with subsidiary games that use Space Nation IP. OIK is fully on-chain, and can be bought and sold in 

. Even if you don't have a blockchain wallet, or want to operate the game as a play-to-earn system, you use CHR for tasks such as purchasing game assets. CHR is available as a reward for various activities, and can be used to obtain useful items. The token is currently off-chain, but it can be converted into USDC–Immutable zkEVM tokens that have real-world value.

 to get people involved in its ecosystem. You’re eligible for the OIK airdrop if you've participated in closed beta testing, or in 

 or Discord events for Space Nation. Users can also burn some of their NFTs in exchange for OIK, and can claim their portions of the airdrop by signing into their online Space Nation accounts. 

The OIK Space Nation ecosystem token can be used for everything from staking to 

. In addition to being bought and sold publicly, you can also earn it playing the game. There’s a total supply of 

, to be unlocked over a 10-year schedule. All tokens will be distributed as follows:

Looking to trade Space Nation tokens? Bybit now offers the OIK/USDT Spot trading pair. To get started, you’ll first need to create a Bybit account, then fund it with cryptocurrency and navigate to the 

Since its release in mid-March, the OIK token’s price has bounced between an all-time high (ATH) of $0.1587 and an ATL of $0.04119. There’s been some enthusiasm for this token due to the game’s positive reviews from players. Furthermore, the potential 

 based on the Space Nation universe could be an extremely valuable form of marketing for OIK. However, some traders have expressed concern about Space Nation’s tokenomics and the fact that the development team reserves the right to change OIK’s minting and selling opportunities.

Ultimately, this coin is a good choice for investors looking to put their extra cash into an intriguing crypto project. Keep in mind that its prestigious backers don't entirely remove risk from the coin. You'll still need to account for market volatility and avoid investing all your essential funds into Space Nation's OIK token. And as always — 

Space Nation is a great example of how a well-designed game can be augmented with blockchain technology. The 

 space exploration game is perfect for fans of 

 and similar MMORPGs. In addition to providing an exciting environment for gamers, Space Nation also has some great opportunities for investors. As it works on releasing the OIK token, be sure to keep an eye on this project.

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Space Nation (OIK): Conquer the cosmos in your starship saga

Bybit Learn spoke to TraderMercury, a long-time Bybit partner and trader known for his disciplined and philosophical approach to markets. 

Bybit Learn spoke to TraderMercury (@TraderMercury on X), a long-time Bybit partner and trader known for his disciplined and philosophical approach to markets. 

Mercury reveals his journey as a trader, how he overcame his biggest challenges and navigated markets to become a successful trader.

Please note that this article and any tokens mentioned does not constitute financial advice. The interview has been edited for formatting and grammatical accuracy.

Q: Firstly — congratulations on retiring your parents! How did that feel?

 It feels incredible. My family has been through a lot and many of my followers have heard my story about how my parents went from being broke, to millionaires, to being homeless. My ultimate goal has been to grant them an early retirement ever since I was 14 years old, and at the end of 2024 I was finally able to do that, thanks to markets.

Q: You've tweeted that you got into crypto 7 years ago — how did you first get into trading crypto? What sparked your interest, and what motivated you to dive into the wild west of crypto?

 I initially got into crypto by scrolling Twitter and seeing an ad for XRP/Ripple at the time. It piqued my interest and I immediately saw crypto as a ‘get-rich-quick’ scheme. I was naive enough to dive into things head first, and ironically I actually did get rich quick — I bought just before the final push upwards in 2017, and my account was up 4x in the span of a few weeks. I remember thinking to myself: “I’ll just hold these assets forever and retire,” to which I was met with -90% drawdowns over the course of the next few months, after taking no profit at all.

I became intrigued by the premise of volatility. My large losses only exacerbated my fuel to achieve large gains; I figured someone was making money from this market, why couldn’t it be me?

Q: Tell us about TraderMecury's trading journey — what were some of the biggest challenges you faced as a beginner, what advice would you give yourself if you were just starting out?

 My trading journey was initially described above, and was followed by a large humbling in March of 2020. Prior to that, I had spent the past 2 years recovering my losses from that initial naivety since joining crypto, and once again managed to rally my account 5x in that time period, leading up to March 2020. When the covid crash happened, I was caught with positions in the middle of it, and due to a failure of applying risk management, and overconfidence in my abilities, I was once again met with -80% drawdown on my entire portfolio — which, because I was only 20 years old at the time, also happened to be 100% of my net worth.

That moment was by far the most difficult event I’ve ever dealt with, but the most difficult aspect of trading was my inability to hold unrealized profit.

After my humbling, I regathered myself and restructured my approach from the very foundation. I began to view the market differently than my prior-self. I was now finding myself detaching from the market and at peace with the way I was trading, which felt very refreshing in comparison to the 2 years I had spent prior slaving away at the charts and utterly destroying my mental health.

But I was met with a new issue: I often closed positions too early, out of fear that the market would take those gains away just as quickly as it gave me those gains. I was now struck with trauma due to my experiences.

It was difficult, but I had to pace myself; slowing down with the amount I was trading with, and also forcing myself to hold positions, no matter how much my brain wanted to impulsively close positions out of randomness.

Q: You're known for your disciplined approach to trading, your 'snowball to snowman' way of thinking and trend-following strategy. Tell us about how you use it to navigate markets.

 After March 2020, when the dust had settled and I was forced to look at my new, networth of -80% lower than where it had been just a few weeks prior, I remember thinking to myself “there was nothing I could have done.” But I soon realized that was not true — I saw the downtrend, I acknowledged the drawdown, I knew what options I had, yet I consciously decided to do nothing. I had friends that made a doctor's annual salary during that same event. Again, I thought to myself, “why couldn’t that be me?”

I vowed to never let the market ‘catch me off-guard’ ever again. I realized that for whatever happens next, I must see it coming to a smaller degree first in order for that same momentum to be exaggerated further — hence “it is impossible to build a snowman without making a snowball first.”

Combine that analogy with the manner of which you build a 1000-piece puzzle. You do not randomly grab two pieces and question if they go together — you grab the pieces with a flat-edge, which clearly makes the border for the puzzle, and start there. You then fragment the puzzle and categorize by color schemes, using objects within the puzzle that are more easily identifiable, and begin piecing those together. From there, the puzzle’s completion is well on its way, and by understanding each section of the puzzle, you’ve now given yourself the clarity to understand the puzzle in its entirety, with the utmost clarity.

The analysis I make about any market operates in the same manner. I understand what’s occurring on one timeframe, and how that relates with the timeframes higher or lower. I keep repeating this process until the chart as a whole makes sense — at which point I’m now able to break down the market's complicated movements to a 5-year old, as if I were reading a storybook. Context is key, so considering the context of one timeframe into the next is a great way of adopting an intuition, a feel for the market’s movements and getting a jump on what may happen next.

Q: What was your best trade? How did you go through with the thesis, setup, execution and exit?

 My best trade as of now was just recently, as I bought Bitcoin around $57k, and sold it at an average of $100k. The percentage gain may not seem like much for crypto natives, but due to my conviction in the thesis I was playing into, I was able to justify risking more than usual in order to fully capitalize on the opportunity before me. Conviction is that feeling in your gut that tells you you’re witnessing an incredible opportunity in its’ infancy, before the greater market has been able to identify it — I remember telling the members in my discord that the price action in September 2024 and the sentiment in the air reminded me of the bear market lows in 2022. As a trader that thrives off of exaggerated momentum driven moves, it’s my job to extract lots of value from those moves; I also remember telling my members, both at the time and now, about how “even though I’ve managed to benefit from all 6 of the major rallies throughout the past 2 years, I’ve only ever compared to the bear market lows once” — that’s conviction.

Prior to that rally, my biggest win was in March 2023, once again on Bitcoin, after USDC began to depeg. I felt my back was against the wall as I hold most of my trading portfolio in USDC whenever I’m pending a new setup, and the environment at the time was plagued with uncertainty — not just for stablecoins, but for banks that were seemingly going insolvent every other week as well. Even though it was against my trading philosophy to do so, I managed to buy Bitcoin at the exact bottom with a bulk portion of my trading account, just beneath $20k, before it rallied to $30k in the next week — thanks to a fundamental understanding of Bitcoin as an asset. Whenever I tell this story, people immediately interject that I got lucky, and whilst luck plays a role in every success story, I like to believe that my luck was a byproduct of my discipline and decisions leading up to a major FUD event. Remember in March 2020 I did not have the luxury of ‘buying the dip’ — this time, I had previously cut positions 15-20% higher than where the market bent my hand and forced me to buy Bitcoin due to its’ fundamentals. The tier of quality of options that I had given myself were substantially greater than what an alternate version of myself could have been presented with, and therefore, so was the outcome.

Q: How do you maintain emotional control and deal with FOMO or fear during extreme market volatility?

 At some point, I think you become numb to it. I’ve found myself treating volatility as ‘normal’ and because I’ve traded the market for over 7 years now, there’s nothing that I haven’t seen, in either direction. That emotional discipline and maturity comes with experience — which is why it’s frequently mentioned that experience, especially in crypto, is invaluable. I also like to remind myself that “opportunity is abundant.” In a true manic rally, there is always more opportunity than what you can catch, so it’s inevitable that you will miss out on most things. The beauty in this is: even if you manage to capture a crumb of the opportunity that’s presented to you, that alone can be sufficient. It’s imperative to accept that you will not catch everything, and also realize that you do not need to. Bend your perspective to be in an ‘abundance’ mindset as opposed to a ‘scarcity’ mindset.

Fear on the other hand is inevitable; regardless of your positioning, there is always something to be fearful of. If you’re long: you fear a selloff. If you’re sidelined or short: you fear a market rally. If fear is inevitable, then it is also redundant. Find a way to mitigate fear of the market by taking comfort in whatever risk you’re taking, and formulate a strategy that allows you to express that positioning in a rational manner in order to achieve that comfort. ‘Balance’ is incredibly underrated, and allows for greater and more consistent results over time, in my experience; whereas extreme positioning and stances in the market invoke emotions and often create large setbacks.

Q: The recent market selloff has hit a lot of traders hard. How did you navigate the drawdown, and what tips would you give to those who’ve taken significant losses?

 As mentioned above I managed to cash out some of my investments, as well as close positions near the highs. There were a few losses that were taken since then as the market began to chop up and eventually downtrend, but that’s nothing out of the ordinary for me with my system — I navigated this selloff just like every other selloff in the market, and to the degree that I expect myself to. I have my fair share of bags that went to 0, but that was a calculated risk, which had previously paid off, and is not a substantial portion of my trading account by any means, mostly because I knew exactly what I was doing and “if you play stupid games, you’ll win stupid prizes.” 

So it’s not to say that I was unaffected by the market’s downturn, it’s just that it’s nothing new for me, and is no different than any other downturn, and I’ve allowed myself the grace to see it that way due to my philosophical approach to markets, and the foundation I’ve built for myself. When I see a downtrend that looks like, smells like and trades like a downtrend… and it continues downtrending, I am not allowed to be surprised. From there, it’s a matter of expressing the discipline and patience to step out of the way and wait for better days; knowing when to deploy capital to take asymmetric risks, but also knowing when to preserve capital in order to have the luxury of deploying later on.

Q: What are your thoughts on the current market condition? Which part of the cycle do you think we are at now, and has the cycle played out as you expected?

 There are lots of caveats, but the cycle has pretty much done exactly what I expected it to. I know people say it’s the worst bull market ever, but I think the market is what you make of it, and it seems unfair to throw labels onto something like that with no way of quantifying it — this has been my best bull market ever. With that said, I’m not sure what to expect next from a cyclical standpoint, and I truly think it’s best to avoid those thoughts because it seems like energy wasted in comparison to the value those thoughts bring, even if uncannily accurate. I do, however, think that the crypto market is broken as of my time of writing, and I’m waiting to see if stocks are as well, because that would be potentially indicative of a market that disallows for recoveries as we’ve seen the past 2 years. Many charts in crypto need lots of repair before we can have a conversation of a bull market resumption, and that’s typically not something that occurs in a few days.

Q: Finally, how do you use Bybit in your day-to-day crypto trading or investing, and what aspects of the platform do you like? Is there anything you would like to see improved on Bybit?

 Bybit has been my primary trading platform since 2019 — back when they only had 3 pairs to trade, and they were all inverse perpetuals, haha! It’s come a long way, and I remain in awe at the improvements made, the integrity of Bybit and its team, and the seamlessness of the trading experience. It is truly incredible to watch Bybit succeed and continue to grow, and I look forward to the future. I think the recent hack, and how Bybit managed to communicate, handle and operate through that unfortunate event, put on a global display of the same values that established my desire to be a partner with Bybit for all these years — absolutely incredible job.

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Mastering crypto market psychology with TraderMercury

Tech Deep Dive

Wondering what is Arbitrum? From lower costs to faster transaction speeds, here's all you need to know about Arbitrum's scaling potential.

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Ethereum has grown so much that it’s having trouble keeping up with demand. Powering almost 

, completing over 150,000 transactions per day with over 50,000 daily active users, it’s become apparent that even 

 won’t be scalable enough long-term. That’s why Ethereum scaling solutions such as Arbitrum are crucial to the long-term success of the 

Layer 2 solutions, including sidechains, channels, and rollups, provide Ethereum users and developers with increased speed and security without the price tag. Let’s discuss what is Arbitrum and how it takes rollups to the next level — for both beginners and advanced crypto enthusiasts.

What Is Arbitrum and What Is It Used For? 

 designed to facilitate more transaction volume on the blockchain network at a lower cost. It uses the same tooling as Ethereum, so DApp developers can quickly, easily, and securely deploy apps on Ethereum using Arbitrum. 

In short, for those wondering what is Arbitrum and what it’s used for, Arbitrum is meant to 

, prevent fraud and lower the cost of operating on the Ethereum blockchain network. This Ethereum scaling solution will make DApp development seamless, fast, and secure by providing developers with an Ethereum-based platform that limits data stored 

Ethereum scaling solutions are used to make 

 networks faster and increase their ability to handle a high volume of transactions. Examples of Layer 1 networks include Ethereum and Bitcoin. Layer 1 solutions aim to alter the protocol of the blockchain network itself, instead of adding an additional processing layer. 

, which means it’s an extension to Layer 1 that’s enabled by smart contracts which are built on-chain. Arbitrum creates additional space for transactions to be processed. The solution executes transactions off-chain before reporting back to the mainchain, enhancing speed, lowering costs, and maintaining the 

To develop a deeper understanding and know what is Arbitrum along with its uses on 

, let’s talk about some different types of Layer 2 Ethereum scaling solutions and discover where Arbitrum fits into the mix. 

Sidechains are where Layer 1 scaling began. Sidechains work by running a parallel blockchain network alongside the 

. Although sidechains are essentially extra Layer 1 space, they aren’t secured by Layer 1 and are less decentralized. The problem is they can be manipulated by fraudulent validators, and the security standards may vary from chain to chain. 

Sidechains represent a shift in how developers intend to execute transactions using blockchain. Instead of maintaining a single ledger, sidechains introduce a blockchain model built with numerous layers integrated into the main blockchain network. 

 framework offloads transaction execution to sidechains — but with a twist that ensures extra scalability. Through the use of smart contracts and 

, plasma enables an unlimited number of sidechains, or child chains, to be created and designed to work in a specific way to meet the various needs of the main blockchain network. 

, which ensure secure and enforceable exchangeability. That means any user can send funds to another user in their native platform coin faster and with less latency.

Going deeper down the blockchain scalability rabbit hole, we arrive at state channels and payment channels. Channels are 

 that allow users to make a certain number of off-chain transactions with only two transactions occurring on-chain. 

Participants have to create and fund an Ethereum transaction when they open up a new channel. While the channel is open, off-chain transactions can occur. When users are ready to close the channel, they are charged again to process the transactions. 

The channel mechanism decreases the number of transactions processed on the Ethereum network and limits gas fees for opening and closing the channel. 

More specifically, payment channels are meant to transfer funds between users, and state channels are designed to create a fee-less conduit between two parties by locking up a portion of the blockchain. Because everything occurs within the sidechain channel between two participants, it’s a highly secure solution. But it lacks the ability to scale at higher volumes. 

Before diving into what is Arbitrum, we’ll first need to discuss rollups. Rollups have become one of the most popular contract-based scaling solutions for blockchain applications. Rollups scale the mainchain by essentially “rolling up” transactions into a batch, and validating them off-chain. By rolling up and compressing the data, rollups allow higher throughput, more speed, and lowered transaction costs. 

There are two main kinds of rollups: ZK (zero knowledge) and Optimistic Rollups.

, or “zero-knowledge scalable transparent arguments of knowledge,” to validate data and perform computations off-chain. The validity proof is attached to each data bundle while still having the ability to perform increased numbers of transactions. The 

 represents powerful security, since it’s publicly verifiable proof that something is true without having to reveal its state, what it is, and in what amount. 

Optimistic rollups limit on-chain computation by performing proof of confirmation only if a node suspects that a fraudulent transaction is occurring. By performing validity proofs only when fraud is suspected, optimistic rollups increase transaction speed and throughput even further. 

If you’ve ever wondered what is Arbitrum, it’s an advanced Optimistic Rollup that stores very little data on-chain for optimal scalability. Arbitrum is built on the Ethereum network and allows for up to 

 per second (TPS). That‘s faster than 

 (Consensus Layer) expectation of about 3,000 TPS. Arbitrum works with all Ethereum developer tools, including the 

 smart contract. Numerous integration options provide standard Ethereum front-end tooling for Arbitrum, making it easy to work with — and simple to build and deploy DApps. 

Now that you know what is Arbitrum, it’s now time to understand how it works. Arbitrum follows the off-chain Optimistic protocol managed by a contract on the Ethereum chain. In a nutshell, it works by validating transactions off-chain before sending confirmation back to the blockchain. Developers can create smart contracts 

, and then compile them into code that runs on the Arbitrum virtual machine. 

A Merkle tree organizes the state of the Arbitrum Virtual Machine so that the cryptographic hash value can be calculated. The hash is then stored on-chain so that the state can be fully confirmed and finalized. Only the hash values of the final state are stored on-chain. 

The state of the virtual machine is advanced when participants in an agreement propose a DA, or disputable assertion. The assertion says that the virtual machine will execute a certain amount when calculated. Each participant in the agreement needs to bet a deposit to ensure the assertion’s validity. 

If the DA is valid, the system will enter the new state. If the DA is invalid, it’s rejected by Arbitrum, and the state will not change. 

 to process multiple DAs, while the verification node takes care of how fast it can be processed. Additionally, malicious participants can’t delay the system as with other protocols. This was customized for Arbitrum prior to their Nitro upgrade which now uses a standard and well-supported compiler on Ethereum known as Geth.

One of the most important things to understand about 

 is that there’s no need for trust. As long as there is one honest participant in an agreement, then the Arbitrum virtual machine will advance correctly, no matter if the correct branch is bet on or not. A path of trust is created over time as participants execute valid transactions with Arbitrum. 

How Arbitrum Overcomes Ethereum’s Limitations

Ethereum has gained a lot of traction since it first launched in 2015. But 

, preventing the network from reaching its fullest potential. Without scalability, developers are also limited by what the network can do and how many transactions it can process. Essentially, blockchain technology has hit a wall regarding scalability — and that’s precisely where Arbitrum can propel Ethereum forward. 

What is the blockchain trilemma? Simply put, it means scaling, decentralization and security. It has proven difficult for blockchain projects to 

 of all three. Finding a solution to this blockchain trilemma can help change the way we think about cryptocurrencies and blockchain technology. 

Right now, blockchains rely on rollups like Arbitrum to complete the trifecta and create a secure, scalable and decentralized blockchain. Let’s talk about some of the ways that Arbitrum overcomes Ethereum’s limitations. 

Ethereum can only perform about 10 TPS, but Arbitrum can handle up to 40,000 

. That’s 4,000 times faster than Ethereum alone, the most widely used L1 platform in the world. 

A common problem among popular Layer 1 networks, such as Ethereum and Bitcoin, is high gas fees. Fees for 

 can cost anywhere from 1.5% to 2.3%. Arbitrum makes it possible to complete large volumes of transactions with much less gas — and they’re working on reducing fees even further. 

 out of all the Layer 2 solutions, making it an easy pick for those who know what is Arbitrum. It’s easy to use, simple for developers to understand, and powerful enough to scale on the Ethereum blockchain. 

Arbitrum is especially beneficial for developers. It’s compatible with EVM and uses Solidity code, without compiler or version restrictions. There’s also no 

, so smart contract developers can take their projects to the next level. 

Even though Ethereum 2.0 supporters are convinced that rollups will be obsolete after its full rollout, it’s clear that Arbitrum rollups are aligned to reach unprecedented scalability. Some Layer 2 blockchains plan to release their own coins, but Arbitrum has indicated that it’s a transaction-focused organization.

 and is now running live on their mainnet. At its core, Nitro changes the way Arbitrum's engine works such that it can be written and compiled using standard languages and tools instead of the custom designs used previously.

Essentially, Arbitrum Nitro provides the network with a ton of improvements. This includes 10 times more in throughput, further lowering transaction costs on Arbitrum, 

interoperability, and creating a safer environment when passing messages from Arbitrum to Ethereum.

Arbitrum currently does not have a native coin and may be releasing one in the future. While Arbitrum has been live on the mainnet for around a year, the team has not mentioned anything around a native coin for the ecosystem. That said, it is worth mentioning that their competitor, Optimism airdropped its native coin months after making its platform available for testing and the OP airdrop was given to users who interacted with multiple facets on the Optimism network. 

Arbitrum and Optimism built on what Polygon was unable to accomplish. Although 

 is free, Arbitrum and Optimism have features that other rollups can’t compare with. They’re both built directly into the Ethereum mainchain, providing optimal 

Although Arbitrum and Optimism have several similarities, it’s their differences that set them apart. Let’s discuss some of these similarities and differences in more detail — so that you can decide which rollup is the best option for your purposes. 

Similarities Between Arbitrum and Optimism

After going through the basics of scaling solutions and what is Arbitrum and Optimism, it’s important to understand that both Arbitrum and Optimism are considered Optimistic Rollups. We briefly covered these in a previous section about 

, but now we’ll see how this plays a part in the relationship between Arbitrum and Optimism. 

Both Arbitrum and Optimism can condense several transactions into one single transaction. They then process the transactions outside the Ethereum blockchain before transmitting the data back to the main chain. 

, Optimistic Rollups such as Optimism and Arbitrum can significantly reduce the time that it takes to complete a transaction on-chain. Additionally, they can both be implemented into existing 

A disadvantage that both Arbitrum and Optimism must contend with is that any challenged transactions can be held for one week. This is one way that the rollups attempt to prevent fraudulent transactions, but it can take some time if you’d like to transfer digital assets back to the main chain. 

Differences Between Arbitrum and Optimism

At first glance, Arbitrum and Optimism seem to be identical Optimistic Rollups. However, one key difference sets the two apart — and it has to do with how they deal with fraudulent transactions. 

When Optimism processes a fraudulent transaction 

, the rollup sends the entire transaction back through the 

. When Arbitrum processes a suspicious transaction off-chain, it only sends the suspicious part of the transaction back through the EVM. 

It is through this fraud-prevention mechanism that Arbitrum sets itself apart from Optimism. And because all suspicious transactions are processed off-chain, Arbitrum can achieve a 

Table 1: Product Features of Arbitrum vs. Optimism

Which Is Better — Arbitrum or Optimism?

At this point, it’s hard to say if Arbitrum or Optimism is better. With the rate of blockchain development rapidly unfolding, we could be looking at even faster and more secure Layer 2 solutions than we thought possible.

As it is, Arbitrum currently offers the most to users when it comes to security and fraud prevention. On the other hand, Optimism’s faster transaction time is good for users who want more liquid digital assets. 

If we had to choose (and we did), we’d pick Arbitrum. 

Arbitrum supports DeFi and DApps on the Ethereum network by increasing 

 — without compromising security — while still maintaining low operating and trading costs. At the time of writing, Arbitrum represents 50% of the 

What Is Arbitrum: Optimistic Rollups to Solve Scaling Without Compromise

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