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Function FBTC
Function provides the FBTC token, with tools for acquiring, swapping, bridging, and exploring Bitcoin-backed assets.
About Function FBTC
Function is a web platform for FBTC, a token the site describes as a liquid, composable reserve asset backed by Bitcoin for use in DeFi. The homepage lists tools for acquiring FBTC, swapping and bridging tokens, and exploring bridge activity. It also lists vaults that offer estimated yields on Ethereum and Solana, including Cian, Sentora, and Kamino Sentora vaults.
The site states that FBTC offers full reserve and custody transparency and links to a proof of assets page and a Dune dashboard. These are the site's own statements and are not independently verified here. Yield figures are labeled as estimates, and the extra 1% APY on one Kamino Sentora vault applies only to qualified users with an LTV above 50%. Pricing is not stated on the homepage.
Key features
- Token swap and cross-chain bridge tools for FBTC and other assets
- Bridge explorer page for viewing bridge activity
- Vault listings showing estimated APY for FBTC on Ethereum and Solana
- Cian, Sentora, and Kamino Sentora vaults with stablecoin pairings
- Proof of assets page with a linked Dune dashboard
- Points page for the Function ecosystem
Best for: Bitcoin holders, DeFi protocols, and institutional investors who want to use FBTC in lending or vault-based yield strategies.
Good for
- Combines token swap, bridge, and bridge explorer tools in one site
- Publishes a proof of assets page and a linked Dune dashboard
- Lists more than 30 integrations on the homepage
Watch out for
- Vault APY figures are labeled as estimates
- The extra 1% APY applies only to qualified users with LTV above 50%
- Pricing is not stated on the homepage
Function FBTC at a glance
- Website
- fxn.xyz
- Category
- Crypto & Blockchain › DeFi Protocols
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Function FBTC alternatives
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Function FBTC FAQ
Which blockchains do the listed vaults use?
The vaults shown on the homepage are on Ethereum and Solana.
Who qualifies for the additional 1% APY on the Kamino Sentora PYUSD vault?
The homepage says qualified users with an LTV above 50% can receive an additional 1% APY for supplying FBTC to that vault.
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