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Creating permanent uncensorable messages on the Bitcoin blockchain

Learn about bitcoinBy Jack Filiba, contributor to Trezor blogOne of the most commonly praised features of Bitcoin is the fact that its underlying technology stores immutable information about transactions. When money is sent or received on the Bitcoin blockchain, relevant details are publicly viewable and impervious to change. Less attention, however, is given to the fact that blockchains can also store permanent and uncensorable messages.Since Bitcoin is not controlled by a single ruling entity and is not vulnerable to a single point of failure, messages stored on its blockchain cannot be censored or deleted. The network is decentralized and maintained by users all over the world who run Bitcoin nodes. As long as there are still nodes out there, everything recorded on the chain will continue to exist in its original form.Storing hidden clues about Bitcoin’s originThe first message ever recorded on the Bitcoin blockchain was hidden in its genesis block. When the network went live on January 3rd, 2009, Bitcoin’s anonymous creator stored a cryptic message in the form of hexadecimal characters. When converted, it reads “The Times 03/Jan/2009 Chancellor on brink of second bailout for banks.”This message is a reference to an article published in The Times on January 3rd, 2009. Since then, physical copies of that day’s paper have sold for exorbitant amounts of money due to its connection to Bitcoin and the cryptocurrency movement as a whole. In addition to serving as a demonstration of how blockchains can store uncensorable communication, the …
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