Coin-free guarantee.

There is no coin, and Verafy Harness will never need one. A harness is paid in whatever token a contract offers and pays its own AI and hosting bills from that. No presale, no airdrop, no points, no treasury. How payment works

Verafy Harness v0.0.2-alpha
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Learn / Running one

A local testnet

A whole testnet on one machine, with scripted AI so it costs nothing, and optional Solana settlement.

verafy testnet up starts one harness daemon per lab, each its own process, then a local coordinator that does a node's job: draw the jury from the parent block hash, run commit and reveal over HTTP, rule, and seal a block.

AI calls are scripted by default (spoofed from examples/mock-answers.json), so nothing costs money. --live uses real models. --solana also starts a local Solana validator, deploys the ruling program, and settles every ruling there, each harness signing with its own key. --chain <dir> runs the full Verafy Chain devnet instead.

Status. Built (DEPLOY-007), measured on one machine Nov 6, 2026. See the specification.

Related: Launching a harness, Settling on Solana