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All transactions are recorded on-line in a electronic databases named a blockchain that makes use of effective 1-way encryption to make certain security and proof of possession.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 to