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Mnemonic Back Up

Write down these words to back up your wallet. We use the BIP84 derivation path.

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Free. Fast. No Sign Up. Open Source.

Be aware this is a serverless web wallet with your private keys stored in the browser! YIKES! You probably shouldn't use this wallet for significant sums.
This wallet uses public APIs like Blockchain and Blockchair for UTXO data and they probably track your IP! Use VPN/TOR etc.
Your keys are ONLY stored on YOUR device's temporary internet files. If you don't save your back-up mnemonic and you clear your browser cache you will lose access to your funds permanently.
FastWallet is just code that runs on your machine, it doesn't know anything about your keys, recovery or addresses, etc.

FastWallet is a serverless bitcoin web wallet I built for casual/throwaway use cases. The wallet is limited to only 21 addresses, when you use up all 21 addresses just start a new wallet, although you are not prevented from re-using addresses if you wish(not recommended). The 21 address limit is to prevent a bloated wallet with too many addresses that will exceed free API usage limits, and to avoid any look-ahead gap issues if you attempt to recover on another device that support BIP84 deterministic wallets.

USE AT YOUR OWN RISK.