Smartnodes and Finality¶
Smartnodes are validators registered on chain with stake. Each 32-block epoch they sign the checkpoint link chosen by the Casper-FFG voting rule; a link signed by more than 2/3 of the epoch set's effective stake justifies the target, and justification of the next checkpoint finalizes it. Nodes never reorganise below the finalized checkpoint.
| Topic | Page |
|---|---|
| Run a validator | Set up a Smartnode |
| Register, top up, delegate, claim, rotate, exit, withdraw, slash | Registry operations |
| Votes, certificates, evidence, guarantees | BFT finality |
| What applications should wait for | Finality for applications |
What finality does and does not claim
Finality on testnet-rc1 is an FFG-style checkpoint protocol over a registry-derived validator set with signature-verified votes and slashable equivocation. It has passed the project's local adversarial tests; it has not had an independent consensus/security audit, which remains a requirement before any public launch.
Sources at 72057fe3ec: testnet/release/network/network.json
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