{"avoid_when":"只要在现有 EVM 上部署合约","content_hash":"6c3c7c001c73baea3c276433755e22cea833aab233eb5bc9e5d4070b3927f26e","domain":"blockchain","evidence_urls":["https://github.com/paritytech/polkadot-sdk"],"id":"substrate","language":"Rust","license":"GPL-3.0-only WITH Classpath-exception-2.0","name":"Substrate","niche":"chain framework","repo":"https://github.com/paritytech/polkadot-sdk","source_updated_at":"2026-07-21T14:49:54Z","status":"active","summary":"可定制区块链开发框架（Polkadot SDK）。","tags":["blockchain","framework","substrate"],"use_when":"要构建自定义链/平行链","verification_status":"verified","verified_at":"2026-07-21T14:57:10Z"}