[modeless]

How? On angel.co's accreditation form I only see a place to upload a single file containing one bank/brokerage statement. It says nothing about cryptographic proof of ownership, or even about providing multiple documents.

[chejazi]

I think he meant "proof of crypto ownership" and not "cryptographic proof of ownership". So probably a screenshot of your balance on an exchange.

[DennisP]

Generally, people with large crypto holdings do not keep most of it on exchanges, and certainly not on a single exchange.