# FAQ

**Is 1 BTC always equal to 1 leadBTC?**\
Yes, minting and redemption target a 1:1 relationship (minus applicable network/policy fees).

**How long does minting take?**\
Typically \~60 minutes, depending on Bitcoin network congestion.

**Can I bridge leadBTC between all supported chains?**\
Yes. Bridge fees are paid in the source chain’s native gas token.

**Why was my large withdrawal delayed?**\
Large withdrawals may trigger additional manual review for security.

**Can I mint by sending BTC directly to the reserve address from an exchange?**\
No. Always mint through the app with your self-custody wallet so the required memo is included.

**My BTC address was rejected. Why?**\
If you’re on testnet, your address must look like a testnet address (`tb1`, `m`, `n`, or `2`). On mainnet, use `bc1`, `1`, or `3`. The app checks formats to prevent mistakes.


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