Bitcoin WikiWallets & custody

Coin control

Updated 9 October 2026StubRandom article

In plain words

Choosing which UTXOs to spend, for privacy and fee management.

Glossary on the Learn page

See also

UTXO (unspent transaction output)
Bitcoin has no account balances. Your wallet holds separate “coins” called UTXOs, like notes in a purse; a payment spends some of them and creates new ones, including change back to you.
KYC
"Know your customer": identity checks required by regulated exchanges.