Jack Dorsey

Jack Dorsey

Block Head, Block, Inc.
Jack Dorsey is an American tech entrepreneur, co-founder of X (formerly Twitter), and co-founder and current Executive Chairman of the financial technology company Block, Inc. (formerly Square). He is widely recognized as one of the most prominent advocates for Bitcoin, the Nostr protocol, and open source technology as a whole. Jack is also the co-creator and developer of BitChat.
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