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Human Protocol, the backbone for anti-bot system hCaptcha, has launched a CAPTCHA web app allowing users to get paid in HMT for solving image-annotation challenges.
Many users will recognize hCaptcha on websites as that thing that forces you to identify fire hydrants in a picture grid. Google’s reCAPTCHA is the market leader though the decentralized upstart is gaining ground.
The service is used by websites including the Canadian government, video-on-demand streaming service Rakuten, research and advisory firm Gartner and the classifieds website Craigslist.
Related: Human Protocol Expands hCaptcha Tool, Launches Wallet to Make AI Smarter
The app gives users the chance to earn token rewards for proving their humanity while also refining the computer-vision algorithms that power artificial intelligence (AI) technologies, Human Protocol said in a press release.
Ethereum mainnet launch
The Human Protocol Foundation also announced the launch of its protocol for “building decentralized marketplaces” on the Ethereum mainnet. Human was previously live on a private Ethereum network.
“Starting today, the protocol will be able to support the creation and completion of jobs on-chain while broadening the audience that’s able to contribute to AI and ML [machine learning] technologies,” said Harjyot Singh, Human Protocol’s director of technology.
In June, Human Protocol launched a tool that lets developers plug its “Proof-of-HUMANity” feature into cryptocurrency wallets.
Related: Protocol Hosting Google reCAPTCHA Competitor Expands to Polkadot
Last December, the project announced an expansion beyond Ethereum to the Polkadot parachain Moonbeam.
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