Udi Wertheimer   [#reckless]

@udiWertheimer

Bitcoiner. Coder. Adversarial thinker. Troll. 🐻ish.

Israel
21.co/udiwertheimer
Sumali noong Abril 2008
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  1. Naka-pin na Tweet
    May 21

    "That's a great question Udi! No, personally I haven't used Bitcoin Cash to buy anything from a merchant" I'm done here guys, see ya

    32 sagot 75 retweet 501 gusto
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  2. Ni-retweet ni
    13 oras ang nakalipas

    these people are not engineers.

    : 1tb blocks are the future.
    Ipakita ang thread na ito
    28 sagot 97 retweet 375 gusto
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  3. 18 oras ang nakalipas

    Exchanges are being targeted by 51% attacks. If you're running an exchange, you need to read the blog post below. Many tokens are designed to take advantage of exchanges that don't read the fine print.

    Some exchanges (, ) stopped trading ERC-20 tokens because a bug can allow attackers to create new tokens arbitrarily, and manipulate prices. Here's a reminder from over a year ago, that some ERC-20 tokens added such backdoors on purpose.
    Ipakita ang thread na ito
    6 mga retweet 13 gusto
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  4. May 27

    ❓❓❓

    5 sagot 6 (na) gusto
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  5. May 27

    Question for security token lovers: what happens when an exchange holds for its clients 10% of Apple’s “shares on the blockchain”, and a rouge exchange employee steals the keys? Does that employee now own 10% of Apple, and y’all just go on with your lives?

    22 sagot 7 retweet 68 gusto
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  6. Ni-retweet ni
    May 27

    Drop in this thread and take it all in

    Cryptocurrencies optimized for payments are like Snapchat. Sure, you can have some success, but the best outcome is that traditional systems use their network effects and copy your features, destroying the value of your asset. It’s a terrible long-term strategy.
    1 retweet 2 gusto
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  7. Ni-retweet ni
    May 25

    Once Twitter/Instagram are forced (sadly, that's what it will take) to remove all fake/bot/inactive accounts, many "influencers" are going to be caught with their pants down (re: follower counts) I, for one, can't wait for that day

    19 mga sagot 41 retweet 303 gusto
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  8. May 26

    Cryptocurrencies optimized for payments are like Snapchat. Sure, you can have some success, but the best outcome is that traditional systems use their network effects and copy your features, destroying the value of your asset. It’s a terrible long-term strategy.

    Sumasagot kay @stephanlivera
    The nice thing about “payment maximalism” is that it gets the people going... By creating competition, you force the incumbents to adapt and improve their existing systems. But this mostly played its part by now, and it’s not a good long term strategy for any asset.
    7 sagot 20 retweet 80 gusto
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  9. May 25

    Anyone saying unconfirmed transactions are “secure” is either lying or stupid. If you disagree, show me *one* exchange that accepts unconfirmed deposits, of any size, no matter how small. Just one.

    30 sagot 19 mga retweet 138 gusto
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  10. Ni-retweet ni
    May 25

    Best tweet of the day.

    53 sagot 294 mga retweet 2,070 gusto
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  11. May 25

    Pro tip: every shitcoin project that sent you a GDPR email is centralized

    4 mga sagot 65 retweet 293 gusto
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  12. Ni-retweet ni
    May 25

    So was never really a DEX. Calling it such is totally misleading, it was actually one of the least decentralized relayers. It only allowed order execution through its own address in order to facilitate matching.

    2 sagot 2 retweet 10 gusto
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  13. Ni-retweet ni
    May 25

    Hey, that's the excuse I was waiting for in order to come out of the closet as working on bitcoin now. For reader's with a pre-twitter attention span:

    Happy to say that has implemented . Onward!
    5 sagot 11 retweet 56 (na) gusto
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  14. Ni-retweet ni
    May 24

    Happy to say that has implemented . Onward!

    22 sagot 126 mga retweet 794 (na) gusto
    I-undo
  15. May 24

    The highly educated researchers at (a blog for iotards) say that Eric is a charlatan. You should follow Eric.

    1. Be me 2. Work as cryptocurrency lead & financial IT company 3. Research cryptos 5. Research IOTA dumpster-fire, avoid like the plague 4. Do tests on BTC+LN, ETH, Eris & Hyperledger instead 6. IOTA fans: Omg Eric doesn't like our coin because conflict of interest! Charlatan!
    13 gusto
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  16. May 24

    Going after PoW coins is wasteful. There’s a much bigger, lower hanging fruit: ERC-20 tokens. Many are complete shitfests. Remember, ERC-20 is an *interface*. Implementation is left as an excercise to the issuer. Yet exchanges assume they’re as secure as PoW coins. Boom.

    Hindi available ang Tweet na ito.
    1 sagot 2 retweet 14 (na) gusto
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  17. Ni-retweet ni
    May 23

    Recently, interviewed Verge’s on his shitcoin, which imploded yesterday. Here are the tough questions Ran asked. “Are you private?” - oh yeah! “Can you get to visa-scale?” - oh absolutely! “Are you guys really decentralized?” - Oh for sure! 1/5

    14 mga sagot 38 retweet 174 (na) gusto
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  18. May 24

    You won't believe number 10!

    1 sagot 5 gusto
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  19. Ni-retweet ni
    May 23

    ARE YOU KIDDING ME?!?! A tiny island nation in the Pacific Ocean is going to create a brand new currency for their citizens with 24 million units, and they are giving 12 million units of that currency to a start-up company from Israel. What the fuck.

    20 sagot 71 retweet 223 gusto
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  20. Ni-retweet ni
    May 23

    Ethereum's sole innovation is rebranding a multi-sig wallet to a smart contract. That is it. Seriously.

    5 sagot 20 retweet 108 gusto
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  21. May 23

    Did your favorite Twitter personality tell you that will see shitcoin market caps reach new heights? Did they tell you that blockchain is eating the world? Congrats, you now know where the noise is. Unfollow that fool, and welcome bear Twitter.

    I’m not trading because I suck at it, so I’m hodling on. But I am now proudly fundamentally bearish. It is overwhelmingly clear to everyone with half a brain that this industry is 90% hot air, and soon it will be clear to the brainless as well. You know it’s true
    5 sagot 6 mga retweet 63 gusto
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