Egor HomakovVerified account

@homakov

DeFi, security research, all things layer2 on Ethereum, XLN/Extended Lightning Network maximalist

Moscow, Russia
sakurity.com
Joined November 2009
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  1. Pinned Tweet
    20 hours ago

    2 likes
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  2. 19 hours ago

    Some new enantiomer of Ketamine? Works in a similar fashion

    New drug coming out called Regretamine. Pop one & all regrets are gone.
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  3. Feb 28

    Just realized it could be like New Relic for smart contracts. The onchain version is almost log-free. But any app developer could run personal version tracking, indexing and analyzing a ton of data without bothering anyone else onchain! No contract redeployment, easy reprocessing

    Btw new logs should not go into receipt_tree and be in a header. They are now user-specific, each has different console.log() output only they care about. receipt_tree should contain events relevant to light clients, i.e. important
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  4. Feb 28

    Btw new logs should not go into receipt_tree and be in a header. They are now user-specific, each has different console.log() output only they care about. receipt_tree should contain events relevant to light clients, i.e. important

    1 like
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  5. Feb 28

    Deploy onchain a contract without any logs. Then everyone interested sends an "replaceContract" command to put a new log-enabled contract. No onchain conflicts, everything remains secure & deterministic. 0 gas wasted on LOGX;

    1 reply 2 likes
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  6. Feb 28

    Is there a way to listen to events in EVM without actually emitting them (and wasting gas)? Many apps rely on app-specific events, which others don't care about. This is like a global "console.log()" you cannot disable. If it doesn't exist, here's how it could work:

    2 replies 3 likes
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  7. Feb 28

    Flexing my $13k audiophile workplace in Moscow

    6 replies 26 likes
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  8. Feb 27

    IMO mappings in Solidity should be single not plural. I.e. mapping (bytes => Channel) public channel; not "channels". As mapping is not a real array but only hash map, you never access actual "channels.*" but always "channel[id]". Code gets easier to read.

    4 replies 2 likes
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  9. Feb 27

    Don't just google "bitcoin wallet generate online" and transfer a half a million bucks to an address generated on a website like With any new crypto software or hardware: start small. Put $100 in & out, see if it breaks.

    IN DEPTH: A popular bitcoin paper wallet appears to have a back door that saves a copy of users' private keys. CoinDesk spoke to multiple sources who claim to have lost 124.85 BTC collectively. By
    1 reply 1 like
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  10. Feb 27

    Isn't "airdrop" just better word than stimulus?

    . 💵 . 💵 💵 💵 💵 💵 💵 💵 💵 💵 💵 💵 💵 💵 Stimulus Bitcoin $1.9T $0.85T
    6 likes
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  11. Feb 26

    Wish there was a ket clinic around me. Anyone tried those in the US or EU?

    1 reply 1 like
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  12. Feb 26

    Programming is much harder than hacking. Took a while to realize it. What seems like “easy to do” from security researcher prospective is a ton of effort, debugging and refactoring backing it.

    3 replies 1 retweet 19 likes
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  13. Retweeted
    Feb 20

    5/ respectfully, your cabbie buying bitcoin isn’t a sign of the top for the market it’s a sign that your time is coming to an end. a new era in personal finance and investing is beginning, and no suits will be needed thank you very much. /fin

    56 replies 50 retweets 703 likes
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  14. Feb 11

    What is the best way to download full storage (entire balances mapping) of a contract, e.g. A gazillion of getStorageAt and call(balances[addr]) is too much Bonus question: how to do it with state proof and in JS? Cannot find ANY light client JS lib

    5 replies 2 likes
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  15. Feb 10

    That's the spirit!

    is the best asset in the galaxy to secure your financial future
    1 reply 1 like
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  16. Feb 10

    Another way is to convert BTC into WBTC on eth (beware, WBTC is purely custodian) and then swap with UNI/SUSHI to Dai/USDT, but here we get outrageous current ETH fees. Pros: atomic and safe. Cons: high fees and public.

    6 replies
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  17. Feb 10

    What is the best way to sell BTC now without KYC and fiat censorship risks? BTC->Coinbase->bank=you're subject to Coinbase KYC, and then bank can seize all your $ = NOT GOOD I'm thinking BTC->Binance->Tether/other stablecoins(?) -> transfer stabletokens to your own wallet=OK?

    14 replies 18 likes
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  18. Retweeted
    Feb 8

    The exodus from centralized finance and money into is accelerating

    78 replies 205 retweets 2,140 likes
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  19. Feb 7

    Bitcoin scaling: Liquid & Lightning. Directed by Robert B. Weide. If LN adopted credit in 2017 which solves inbound capacity, new users would join without friction, and it would take over the world by now. But it's over already.

    Replying to @Excellion @udiWertheimer
    It’s 2021 and there were 2 transactions in the last liquid block
    1 reply 2 likes
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  20. Feb 6

    Right this moment there are bunch of concepts (payment channels being my fav) to push all payments below 1000*current_tx_fee to layer2. This is the perfect moment to work on them. Increasing blocksize/gas limit is equivalent to taking pain killers instead of curing the disease.

    I have built chart for day-to-day gas utilization within blocks since Ethereum started. Seems like it's right time to increase gas limit from 12.5M to 15M. Let's do this to increase transaction throughput by 20%
    1 reply 1 like
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