优势：时间复杂度O(d*(n+k))，d为位数，适合位数少的整数
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It's a technology stack, not a fixed policyThe system's design also pushes toward shorter‑lived attestations: issuers are encouraged to issue credentials valid for days or weeks, not years, and to rely on trust registries that can flag revoked credentials even if the issuer and holder are no longer in direct contact. That combination of rolling credentials and registry‑backed revocation gives the community more levers to respond when a contributor turns out not to be who they claimed to be or when a real developer's device or keys are compromised.
基金会的价值，不止在于资金，更在于帮医院优化运营、提升效率，让有限的资源发挥最大作用。