I have lot of UTXOs in a test wallet (Bitcoin Core v0.21.1). Sent random amounts to same address in 9 transactions. So
tb1qyqd9p9d2rc5a9v6cphucn999ljfcvdhymthypy has 9 UTXOs:
Tried sending 0.051 BTC to
Why does coin selection algorithm select 63 other inputs from wallet instead of using 9 from
13eda62acf58fdcb5a34565f993d7af856b54f69c9c73c83db97bf8111c46148? This selection was neither based on privacy nor fees. Using 9 inputs could have saved fees, join several outputs from the reused address and send change amount to a new address.