Syron has introduced a new stablecoin, SUSD, that allows users to access dollar liquidity without selling or surrendering their Bitcoin. Built directly on Bitcoin Layer 1, the protocol uses a non-custodial system of smart contract vaults—called Safety Deposit ₿oxes—where users retain control of their BTC while minting overcollateralised stablecoins.
The platform supports both BRC-20 and Runes formats, letting users choose the token standard that best fits their needs. Up to 66.67% of the collateral’s value can be minted as SUSD, offering flexibility for spending, investment or liquidity management without interrupting long-term BTC holdings.
Unlike traditional models that require wrapped Bitcoin or centralised custody, Syron keeps all collateral on Bitcoin’s base layer. The architecture avoids custody risks and wrapped token complications, staying aligned with Bitcoin’s principles of decentralisation and user control.
Syron’s infrastructure integrates smart contract logic without moving Bitcoin off-chain. The Safety Deposit ₿ox system enforces strict collateral ratios, using automated two-tier liquidation mechanisms to manage risk. Should collateral value fall too far, the system either allows permissionless liquidations or hands over the vault to a DAO-managed reserve, depending on the situation. In both cases, there is no net increase in token supply.
The minting process is designed to be simple. Users connect their wallets, deposit BTC into a contract-controlled address they still control, and mint SUSD tokens up to the allowed loan-to-value ratio. Collateral can be retrieved by repaying the loan in full.
Use cases range from individual liquidity needs to treasury management for businesses. By enabling BTC holders to “borrow without selling”, the protocol seeks to address a long-standing problem: unlocking capital without compromising on Bitcoin’s core values of ownership and security.
With live testing already underway on mainnet, Syron is working towards broader adoption. Future developments include governance by TyronDAO and support for additional stablecoins built on the same collateral system. The aim is to expand financial access while preserving custody and control for users, with Bitcoin remaining the sole underlying asset.
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