Every adjust on the ledger is cryptographically signed to verify that the individual transferring bitcoins is the particular operator. No you can spend coins 2 times mainly because when a transaction is recorded during the ledger, each node inside the network will find out about it. Perspective all investmentsStocksFundsBondsReal estate https://nft-projects61869.slypage.com/29208705/manual-article-review-is-required-for-this-article