Snapshot Voting Mechanism
Snapshot voting is a decentralized governance method that records the token balances of participants at a specific block height rather than requiring constant on-chain interaction. This approach allows for gasless voting, increasing participation by lowering the barrier to entry for smaller token holders.
By capturing the state of the blockchain at a point in time, it prevents attackers from moving tokens between addresses to multiply their voting power during an active proposal. However, it requires a robust off-chain to on-chain bridge to ensure that the results are faithfully executed by the smart contract.
This mechanism is widely used to facilitate democratic participation while mitigating the high costs associated with Ethereum-based voting. It remains a foundational tool for balancing inclusivity with the need for verifiable, secure decision-making in complex financial systems.