Capture Bitcoin Balance

Verify control with a two-step on-chain flow: fund fresh address E (TX1), then send marker sats to service S (TX2).

Verification Amount (BTC)

This is X BTC. TX1 must fund E with this exact amount.

Fresh Verification Address (E)

Must be a new, unused Bitcoin address you own and control

No login required

Privacy preserved

Instant results

Supports Legacy (m.../n...), SegWit (2...), and Native SegWit (tb1...) testnet addresses

Testnet Mode: You're using Bitcoin Testnet. Get free testnet coins from a faucet.