A hard fork is often a radical modify into the protocol that makes Earlier invalid blocks/transactions valid, and for that reason requires all consumers to enhance. ا?أ?راد ا?أع?ا? ا??ط?ر?? ا?بدا?ة ??? ?ع?? ?جب ع??? ?عر?ة ا??صادر: wallet??or simply a ??cold|chilly} wallet.??How To Use Bitcoin Bitcoin was initially designed and unveiled https://rylanbtkar.therainblog.com/30186031/copyright-no-further-a-mystery