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What's really hard is to get your head around is the random number- what are the chances someone will have the same number as me? For anyone that asks, the answ
by albertgoeswoof 9y ago
What's really hard is to get your head around is the random number- what are the chances someone will have the same number as me? For anyone that asks, the answer is basically 0, because maths
For a trustless currency there's a lot of trust going on there!
- phailhaus 9y agoThe private key is usually a 256-bit number, which means your private key is going to be anywhere between 1 and 2^256 - 1. 2^256 - 1 is around 1.15e+77, which is ridiculously huge (to put it technically :P)
- runeks 9y agoIt’s not really hard to explain: the probability of two people generating the same random 256 bit number is roughly equal to buying four tickets to the national lottery four weeks in a row, and winning the jackpot on all four of them. No one has ever won the jackpot even two times in a row, so do we really need to worry about someone doing it four times in a row? (Two people generating the same 256 bit number is a collision, which means the probability is 1/sqrt(2^256))