отличный способ докозательства. хорошо одна проблема для подтверждения, решена. это биткоин делает отлично. а может биткоин способен на что то большее? 

selfish_gene

if we agree and imagine that he is telling the truth, then we will have the opportunity to check it by the method of proof of work. anything that doesn't work is a lie. Everything is simple. bitcoin instruction

True, if he can tell us what the bitcoin hash will be 6 hours from now then we know he is a time traveler. Its not like we know what the transaction order or which transactions from the mempool would be used so its not a financial prediction.

bitcoin

My name is Gregor, I was born in 2122. AMA

Gregor

> if we agree and imagine that he is telling the truth, then we will have the opportunity to check it by the method of proof of work. anything that doesn't work is a lie. Everything is simple. bitcoin instruction

True, if he can tell us what the bitcoin hash will be 6 hours from now then we know he is a time traveler. Its not like we know what the transaction order or which transactions from the mempool would be used so its not a financial prediction.