Be aware.
"Arkham has identified 948,000 BTC on the chain, worth about 25 billion Coinbase BTC reserves, making Coinbase the largest identified BTC entity at the moment, with nearly 5% of the total existing Bitcoin, about the same as Satoshi Nakamoto. — link
(https://platform.arkhamintelligence.com/explorer/entity/coinbase)The majority of this should be client assets. This $25 billion BTC is made up of more than 36 million Coinbase BTC deposit with the largest cold wallet containing approximately 10,000 BTC. Based on recent financial data from Coinbase, Arkham believes there may be thousands of BTC yet to be marked."
