tBTC is a decentralized wrapped Bitcoin that unlocks the value of Bitcoin for various financial activities, including borrowing, lending, minting stablecoins, and providing liquidity. Unlike traditional methods that require users to trust intermediaries for converting Bitcoin to Ethereum tokens, tBTC operates without centralized third parties, ensuring a more secure and permissionless experience. The tBTC system leverages a decentralized network of operators who secure Bitcoin deposits using threshold cryptography. This innovative approach requires a majority agreement among randomly selected node operators before any action is taken with the deposited Bitcoin. By rotating the selection of these operators weekly, tBTC minimizes the risk of collusion or fraud, thus preserving the integrity of users' assets. To further enhance security, tBTC employs an insurance backstop through coverage pools, providing an emergency fallback in case of wallet compromise. This robust structure reassures users of the safety and reliability of their assets while participating in the decentralized finance ecosystem. tBTC is powered by the Threshold Network, which emerged from the merger of NuCypher and Keep networks. The network offers a range of threshold cryptography services tailored for web3 applications, governed by a decentralized autonomous organization (DAO). Key services include Threshold Access Control (TACo), enabling secure data sharing, and thUSD, an overcollateralized stablecoin backed by tBTC and Ethereum. Overall, tBTC represents a significant advancement in bridging Bitcoin and Ethereum, delivering a decentralized and permissionless solution that aligns with the core principles of cryptocurrency.