The concept of bankchains is quite appealing to people active in the financial sector, but the inherent issues and questions associated with this tool need to be addressed first. Besides issuing currencies over the bankchain, the ability to issue different products can also be a powerful tool. Even though hardly anyone in the Bitcoin community is in favor of IOUs in general, once they are issued on a blockchain, things take on an interesting perspective.
https://news.bitcoin.com/bankchain-part-iii-issuing-ious/
