Private DeFi on
Bitcoin and Ethereum.
One tacit1 ID for both chains. Shield, swap, send, earn and borrow, with amounts and owners hidden.
With a wallet you have, or a passkey. It sends nothing and costs nothing.Next, one transaction moves your ETH into the Tacit pool as tETH.
Your Tacit
Features
- Private by defaultAmounts and owners stay hidden.
- No custodianProofs, not a multisig, bridge the chains.
- One keyEverything recovers from it alone.
- One contractThe Ethereum pool is immutable.
One ID.
Two chains.
One key holds your private balances on both chains, and zero-knowledge proofs move them between the two.
Bitcoin and Ethereum, in stepMore on the stats page
Farm TAC.
TAC streams to both farms every second. Claim or leave whenever you like.
Public farm, from ETH alone
One transaction: about half your ETH becomes TAC, then both earn. TAC/ETH farm
Farm with ETHPrivate farms, hidden
tETH alone or both sides. Nobody sees what you hold. Private pools
Farm privatelyTAC is private money, born on Bitcoin.
Fair-launched by airdrop. Private on Bitcoin in its own shielded pool, and on Ethereum in the Tacit pool.
- Fixed supply
- 21,000,000
- Airdrop, eligible wallets
- 14,000+
- Sale or VC
- None
Private bitcoin payments, today.
- Cheaper exitsPrivate exits cost 0.30%, down to 0.15% for holders.
- More pointsUp to 2× points, with TAC held in an Ethereum wallet.
- A voteOn how the protocol’s governed parts are run.
- Never soldTAC paid as relay fees goes to the reserve, and part of the relay’s ETH surplus buys more.
TAC is the standing example of the Tacit spec: a confidential token issued on Bitcoin with no mint key. Anyone can issue one.
Press
Bankless · William M. Peaster · 1 Jun 2026
Tacit: A New Take on Confidential Bitcoin DeFi
Confidential tokens, an anonymous mixer, a private AMM, and trustless wrapped BTC, all on the Bitcoin L1.
Read on Bankless ↗