<ul data-eligibleForWebStory="true">Spanish bank BBVA advises wealthy clients to invest between 3% and 7% of their portfolios in bitcoin and ether.The share depends on the client's risk appetite.BBVA has been advising on bitcoin with private customers since September last year.BBVA executes clients' requests to buy cryptocurrencies and is one of the first large global banks to advise wealthy clients to invest.BBVA plans to add other cryptocurrencies later this year.Introducing 3% of bitcoin or ether in a portfolio is seen to boost performance without taking a significant risk.Mainstreaming digital assets was significant in banking during the first half of 2025.JPMorgan Chase now offers its clients access to bitcoin.BBVA's move follows Banco Santander SA's consideration of offering stablecoin and crypto access to retail clients.Smaller banks are facing urgent decisions around crypto amidst the surge in bitcoin price.