The startup founded by American tech millionaire Sam Altman plans to scan the eyes of one billion people until 2023, and in return reward them with a free crypto payment of its own cryptocurrency called Worldcoin.
https://www.notebookcheck.net/Silicon-Valley-startup-Worldcoin-offers-free-crypto-for-a-scan-of-your-eyes.574787.0.html
learning this wasn't so easy but I'm so glad I voiced out and a friend directed me to louismcnair at protonmail dot com and in three weeks I became my own miner and started getting paid for online lectures.