Token vesting is a mechanism that locks up a certain portion of tokens for a specified period. Best practices for implementing token vesting in SRC20 include defining a clear vesting schedule, using time-based or milestone-based vesting, and incorporating a revocable or irrevocable vesting option. The benefits of token vesting include promoting long-term commitment, aligning incentives, preventing token dumping, and fostering trust among token holders.
source: https://www.inoru.com/src20-token-development