We know they buy large crypto off course they cant do that openly but they do that ways they have set up a lot cryptocurrency exchangers look how many are in europe so they use those exchangers to buy secretly crypto christina lagerde probably world biggest btc and crypto holder off course you never listen what they talk they tell you always things so you never get rich.
So yes there is so many crypto exchangers those are just secretly laundering for OLD MONEY powers crypto so they can buy silent ways and hold it in their private wallets.
And look all those crypto exchangers their owners are related to banks and financial people many of them got same social circle like christne lagarde
The person who you all should watch she is sneaky and talking against her own actions are the christna lagerde the ecb boss so we watch her every moves and yes she could have biggest crypto wallets in her phone that's for sure
Not against your thoughts, but still, if they really wanted to keep it secret, then how do you know about the secret in the central banks? They really can't keep their privacy against normal people like you? I don't think so.
Theory of banks buying bitcoin is real and it's not surprising to see many banks and governments in the world buying bitcoin secretly to save them selfs from inflation rate, but still that's just a theory.