Offchain Labs

@OffchainLabs

We're building Arbitrum, making smart contracts faster, cheaper, more private, and easier. Join our team: jobs@offchainlabs.com

Vrijeme pridruživanja: kolovoz 2018.

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  1. 23. sij

    Censorship attacks are a risk for many smart contracts including Arbitrum rollup, optimistic rollup, and others that depend on getting TXs accepted within a deadline. deep dives into the types of attacks and how you can deal with them

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  2. 2. sij

    You'll like Arbitrum even more when we release our beta of Arbitrum Rollup--coming soon!

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  3. proslijedio/la je Tweet
    6. pro 2019.

    Arbitrum by is extremely exciting scaling technology.

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  4. proslijedio/la je Tweet
    29. stu 2019.

    Much clicked * Eth2 relayers & fee markets * build w gWASM * Beacon Fuzz * multiround interactive rollup * staking pool beta 2 * mission * inject state channels into browsers w

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  5. proslijedio/la je Tweet
    25. stu 2019.

    Arbitrum Rollup is an off-chain protocol that is managed by an on-chain Ethereum contract.

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  6. proslijedio/la je Tweet
    21. stu 2019.

    Four leading scalability projects gave predictions for achieving 100x throughput on Layer 1 and Layer 2 during our Summit's panel on "Solving for Scalability" Watch it here:

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  7. proslijedio/la je Tweet
    21. stu 2019.

    Honored to have been able take the stage at ’s blockchain summit. Having as moderator definitely made it one of the most interesting panel’s I’ve been on! Definitely worth a watch if you’re interesting in the cutting edge of scaling tech

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  8. 20. stu 2019.

    5/n Arbitrum Rollup is multi-round, but achieves this same guarantee that proposed blocks will be accepted if valid. This allows us to support atomic swaps and other benefits of trustless finality. Find out how by reading the post.

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  9. 20. stu 2019.

    4/n In multi-round interactive rollup individual interactive challenges can't determine whether a block is valid (disputants could collude). Therefore naive protocols must reject challenged blocks to be safe.

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  10. 20. stu 2019.

    4/n Atomic swaps work because Bob can guarantee that a proposed rollup block will be accepted if it's valid. In Optimistic Rollup this is trivial since a block can only be rejected if it's actually invalid. Valid blocks will be confirmed.

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  11. 20. stu 2019.

    3/n Atomic swaps are a great solution to this problem. If Alice has ETH inside the rollup that she wants to get onto the main chain, Bob can swap his on chain ETH for her rollup ETH. The reason this works is that Bob can guarantee that the rollup will pay.

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  12. 20. stu 2019.

    2/n Interactive rollups like Arbitrum Rollup and Optimistic Rollup require waiting periods before you can withdraw so that a validator can challenge an incorrect withdrawal. This means that it takes a while to withdraw your money out which is bad UX.

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  13. 20. stu 2019.

    1/n Our Chief Scientist out with another blog post. This time he's digging into how Arbitrum Rollup can achieve rapid finality, even when malicious users try to stall it. A few takeaways below, but check out the post for the details

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  14. 18. stu 2019.

    What's up with rollup? Our Chief Scientist compares pros and cons of different approaches to rollup, a newly popular way to speed up blockchains.

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  15. proslijedio/la je Tweet
    13. stu 2019.
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  16. proslijedio/la je Tweet
    7. stu 2019.

    1/3 Rollups and plasma are talked about as totally different L2 solutions, but they live under the same umbrella. They're both techniques for constructing sidechains with an untrusted consensus mechanism where execution is performed off-chain.

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  17. proslijedio/la je Tweet
    6. stu 2019.

    Not a big fan of "data availability challenges" in layer 2 protocols. If Alice says Bob didn't make data available to her offchain, an onchain referee can't tell who's right. Then what? Unlike normal assert-challenge protocols, you can't only punish the one who was wrong.

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  18. proslijedio/la je Tweet

    List of optimistic rollup projects to scale Ethereum: - Fuel: stablecoin payment only - PlasmaGroup: EVM-like functions - Arbitrum: uses verification games - SKALE: coming in 2020™ - NutBerry: EVM-like w/ verification games - IDEX: exchange specific 🚀

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  19. proslijedio/la je Tweet
    1. stu 2019.

    It's been almost a year since I first posted about Arbitrum on the Ethresearch forum (one of my favs). We've written a lot elsewhere, but I hadn't updated that post. We've done a ton since then so I thought it made sense to go back and give some updates

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  20. proslijedio/la je Tweet
    30. lis 2019.
    Odgovor korisniku/ci

    I 100% agree that usability is the #1 problem we need to solve. One part of the story is better tooling for development, testing, and deployment, and the other side is better UX. Scaling can solve many current UX problems

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