Proof of Reserve
Proof of Reserve is a verification method that uses cryptographic evidence to prove that a custodian or issuer holds the actual assets they claim to back their tokens. In the digital asset space, this is essential for stablecoins and wrapped assets, where the value is pegged to off-chain reserves like fiat currency or gold.
By integrating decentralized oracles, a protocol can continuously monitor the balance of an off-chain bank account or custodial wallet and compare it to the circulating supply of the token on-chain. This creates a transparent and automated audit trail, reducing the need for periodic manual audits by third parties.
If the reserves fall below the required threshold, the smart contract can automatically restrict minting or trigger alerts. This mechanism is a cornerstone of systemic risk management, ensuring that synthetic assets maintain their peg and that users are not exposed to insolvency risks.
It bridges the gap between traditional asset accounting and blockchain transparency.