Instead of holding your bitcoins with a single set of keys, you can also hold your bitcoins with several sets of keys. This is known as multisignature, or multisig for short, which requires multiple signatures to authorize a Bitcoin transaction. You can determine both the overall number of keys and the threshold required to spend the coins. If you choose a threshold bigger than one, an attacker who learns one of the keys can still not steal your funds. This is why many people in the field recommend that everyone should use multisig to secure their coins. However, this article…

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