01
Bitcoin Dust Limits and What a Small UTXO Costs to Spend
Bitcoin's dust limit is 294 sats for bc1q outputs and 546 for legacy ones. Above that, at 1 sat/vB, a small UTXO costs about 68 sats to spend.
Topic
UTXO Management
Understand your Bitcoin outputs, assess consolidation costs, and protect transaction privacy.
02
Why Does My Bitcoin Address Change, and Can I Reuse an Old One?
Wallets show a new address for privacy, but old addresses still receive. Reusing one doesn't merge UTXOs or cut fees; it only makes payments easier to link.
03
UTXO Consolidation Pays Off Only If Future Fees Run Higher
At 0.3 sat/vB, merging twenty native SegWit UTXOs costs about 421 sats. The break-even formula shows how high future fees must climb for that to pay off.
04
How to Consolidate UTXOs in Trezor Suite with Coin Control
Consolidating in Trezor Suite is a send to yourself: pick coins in Coin control, send max to a fresh address in the same account, and check the preview.
05
Why Is Bitcoin So Expensive to Send From My Wallet?
A high send fee from your own wallet usually means a higher rate than needed, an old address type, or many small coins. The unsigned preview tells you which.