Term

Coin Selection

The algorithm a wallet uses to choose which UTXOs to spend, impacting fees, privacy, and change.

Type:
wallet
fee
privacy
1
definition

Coin selection strategies (e.g., smallest-first, knapsack, branch and bound) determine input sets for a payment. Good selection reduces fees and avoids linking unrelated addresses.

2
tip
  • Use wallets with coin control for important transactions
  • Avoid creating tiny change; it raises future fees

All terms and definitions may update as the Cryptionary improves.