# Transaction Confirmation Estimator

> Learn why confirmation-time estimates remain uncertain.

Mode: Runs locally.

## Supported behavior

Expected duration at the 600-second Bitcoin target spacing. This does not predict mempool inclusion or lookup a transaction.

## Security and privacy

Calculations run locally. Check the network and inputs. Estimates of fees, policy acceptance, prices and future block timing are not guarantees.

[Security model](https://qbitcoin.live/security/index.md) · [QBitcoin home](https://qbitcoin.live/index.md)