21 BTCNot your keys, not your coins
Updated Random article
In plain words
If an exchange holds your private keys, you hold an IOU, not bitcoin. Andreas Antonopoulos repeated the idea in talks and in Mastering Bitcoin until it became a slogan; every exchange collapse (Mt.
Origin story
If an exchange holds your private keys, you hold an IOU, not bitcoin. Andreas Antonopoulos repeated the idea in talks and in Mastering Bitcoin until it became a slogan; every exchange collapse (Mt. Gox, FTX) proved it again. Even regulators say it now: on 8 October 2026 the CFTC chairman opened a post with “Not your keys, not your coins.”
No single first use is documented.
See also
- HODLDuring a crash, a BitcoinTalk user admitted he was a bad trader, a little drunk, and simply holding. He misspelled “holding” in the title.
- Laser eyesAs bitcoin crossed $50,000, a few accounts added red laser beams to their profile pictures with the rule: keep them until $100K. Soon members of Congress, Saylor and much of Bitcoin Twitter joined; El Salvador's president followed.
- Michael SaylorMichael Saylor is the co-founder and executive chairman of Strategy (formerly MicroStrategy), the company that holds more bitcoin than any other. Since 2020 he has been bitcoin's loudest corporate advocate, known for his quotes and memes.
- Orange pillA riff on the red pill from The Matrix (1999), in Bitcoin orange: the moment someone “gets” Bitcoin, or the act of explaining it to a friend (“I orange-pilled my dad”). We built a whole page for doing it kindly.
References
- Mastering Bitcoin (GitHub) github.com
- CFTC chairman on X, 8 Oct 2026 x.com