Its sad to see so called crypto experts don't know how CryptoNote protocol, it's magnificent protocol. Every coin generated on CryptoNote protocol is audit-able even after years.
There are peoples who fud GPG also.
You guys have every binaries and almost 80% of source code(
https://github.com/deroproject/derosuite) prove something.
Back in our days, Never asked for any company/product's source to verify anyone's claims.

. If you need source to verify someone's claim- it means current generation is loosing their skills.