Financial institutions have work to do to give themselves and their chatbots more street cred, experts say.

The checks were drawn on accounts at JPMorganChase, Citibank, BMO, Stellar Bank and Amegy Bank. The largest single check ran just over $1.5 million.

The BankChain Alliance has signed up 37 state bankers associations, which are bringing along many of their nearly 4,000 members.

Thomas Eide's CB Surety ran small charges on prepaid cards to dilute clients' charge-back ratios, keeping open the accounts banks would have closed.