The researchers found more than 1,600 files on the blockchain—a public record of bitcoin transactions that is shared between every user—over 99 percent of which were texts or images.

Images of child sexual abuse have been found embedded in the system powering a high-profile crypto-currency. Somebody added the illegal images to the core ledger of Bitcoin Satoshi Vision (BSV) by ...

Two years ago, Jonathan Levin testified in front of a U.S. financial services panel that his little-known company, Chainalysis, had located 650,000 missing bitcoin stolen from Mt Gox, then the ...