Nodes validate and broadcast transactions, each maintaining a replica of your blockchain for possession verification.[65] A fresh block is developed every single 10 minutes on common, updating the blockchain across all nodes with out central oversight. ا?أ?راد ا?أع?ا? ا??ط?ر?? ا?بدا?ة ??? ?ع?? ?جب ع??? ?عر?ة ا??صادر: wallet??or even a ??cold|chilly} https://trentonhdwme.blogzet.com/the-basic-principles-of-bitcoin-45868652