BlockBeats news, on March 14, according to The Block, Worldcoin, a cryptocurrency company founded by OpenAI CEO Sam Altman, launched the identity protocol World ID and the corresponding SDK (software development kit). World ID is positioned as Worldcoin’s “underlying identity protocol” and is powered by zero-knowledge cryptography. People can use World ID to prove their identity while remaining anonymous. BlockBeats previously reported that on February 10, people familiar with the matter said that Worldcoin hopes to raise up to $120 million at a valuation of $3 billion, and that this round of financing includes equity and token financing.