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Cake day: June 10th, 2023

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  • I’m not a big fan of biometrics, which is a solution proposed in the article, though I’ve only read it in part. (I stopped when opposition to biometrics and blockchain was called ideological.) The reason being that biometrics can’t be revoked, as in, once a bad guy has a copy of your fingerprint or whatever, he can forever compromise any system where you authenticate yourself with your fingerprint. Secondly, biometrics aren’t hashable. Biometric values change slightly due to environmental factors, and due to imprecise measurements. This makes it impossible to ever get the exact same measurement again. This in turn means that anybody who runs authentication needs to store whatever biometric is used to authenticate you. Therefore, if they have a data breach, your metrics are forever compromised.




  • Frankly, that does not sound like 2 functional limbs. Now consider that it would be easier for your charity team to drive you around if there was less traffic. Meaning the more healthy people cycle, the less traffic there is (assuming there’s bike infrastructure, which is much cheaper than car infrastructure) the better you can get around. Alternatives to car driving even helps people who are actually dependent on the car.












  • Not useful to law abiding citizens, exactly. There’s plenty of people who are not law abiding citizens.

    The scarcity is debatable because of forks. When a coin forks, then people need to settle which of the forks is the legitimate coin, and which one is the fork. There are several institutions and people who have influence over this discussion: Miners (They decide which fork to mine on), Exchanges (They decide who gets the old name and ticker symbol), platform landlords (they have significant ability to steer discourse), media (see previous). If enough of those came together, and decided that there should be 21 trillion bitcoin instead of 21 million, then there will soon be 21 trillion bitcoin.

    While my example is far fetched, crypto currencies being forked to subvert their rules has already happened. For example, the ethereum/ethereum classic fork. The Ethereum blockchain got forked to roll back the hack of the DAO. Nothing the Hackers did violated Ethereum’s protocol, meaning that technically, they did nothing wrong. An example of a political decision which is harmful to the long term utility of the crypto currency would be the Bitcoin/Bitcoin cash fork. Bitcoin has a block size limit, which leads to a transaction limit of 7 transactions per second. This limit absolutely ruins Bitcoin’s potential utility, because even relatively small economies would be utterly choked with a 7 transaction limit. Still, miners profit from a tight transaction limit, and other institutions aren’t bothered by it, so they decided that the fork with the transaction limit was the legitimate one.

    In conclusion, the 21 million bitcoin limit will remain as long as it is useful to the influential figures in the bitcoin ecosystem. See above for a rough listing of who those people are.






  • Well, then let me clear it up. The statistics becomes more precise. As in, for a given prefix A, and token x, the difference between the calculated probability of x following A (P(x|A)) to the actual probability of P(x|A) becomes smaller. Obviously, if you are dealing with a novel problem, then the LLM can’t produce a meaningful answer. And if you’re working on a halfway ambitious project, then you’re virtually guaranteed to encounter a novel problem.