During March 2025, Daryl contributed to the gnolang/gno repository by addressing a critical issue in the ContractAuthority authorization flow. He restructured the use of once.Once semantics, associating them with individual actions rather than the entire authorization scope, which allowed multiple actions to execute reliably within a single authorization. This technical approach, implemented in Go and leveraging his expertise in authorization and smart contracts, reduced the risk of action loss and inconsistent contract states. Daryl also developed and validated comprehensive tests to ensure the fix’s correctness, ultimately improving the reliability, security, and developer confidence in the contract execution workflow.