Human Protocol, home of the anti-bot hCaptcha system, announced it is expanding beyond Ethereum to a future Polkadot parachain, Moonbeam.
Source: https://www.coindesk.com/protocol-hosting-google-recaptcha-competitor-expands-to-polkadot
Protocol Hosting Google reCAPTCHA Competitor Expands to Polkadot
December 3, 2020
CoinDesk