AuditNet
The PCAOB has added guidance for auditors and audit committees for audit involving Cryptoassets. Here is the link: https://pcaobus.org/Documents/Audits-Involving-Cryptoassets-Spotlight.pdf
If you have developed audit procedures for Cryptoassets or blockchain consider sharing them for other to comment and add. We can use this forum to crowdsource for best solutions to audit issues!