The bank wants to use ethereum as a notary, but regulators discourage holding even the tiny bit of ether needed to put data on the public blockchain.
The three European Supervisory Authorities have released a warning on the risks involved with investing in cryptocurrencies.
Banks need to understand blockchain technology, according to the chairman of the European Banking Association working group.
The Euro Banking Association (EBA) has explored the short-term implications of blockchain technology in its most recent report.
The European Banking Authority has warned that financial institutions should not buy, hold or sell digital currencies – yet.
The European Central Bank (ECB) has reiterated its position on digital currencies, saying they should not be overlooked.