Snippets of computer code. More than six million pages of emails, Slack messages and other digital records. And a small black notebook, filled with handwritten observations.For months, federal prosecutors building the criminal case against the fallen cryptocurrency executive Sam Bankman-Fried have assembled a vast and unusually varied array of evidence. The documents include crypto transaction logs and encrypted group chats from Mr. Bankman-Fried’s collapsed exchange, FTX, as well as strikingly personal reflections recorded by a key witness in the case.The mountain of evidence ranks among the largest ever collected in a white-collar securities fraud case prosecuted by the federal authorities in Manhattan, according to data provided by a person with knowledge of the matter. In the 2004 securities fraud prosecution of Martha Stewart, for example, prosecutors produced 525,000 pages of eviden …
