The link for this post uses a read-only front-end for Twitter, which can be easier to read for viewing a full Twitter thread. The Tweet that kicked off the thread is:
All crypto exchanges should do merkle-tree proof-of-reserves. Banks run on fractional reserves. Crypto exchanges should not.
@Binance will start to do proof-of-reserves soon. Full transparency.
Chairman of Kraken responds:
We look forward to your arrival, ser.
reply