Member central banks share information at the working group meetings which cover financial markets, banking supervision, payment and settlement systems, and information technology. To take a prominent example, the Working Group on Payment and Settlement Systems (WG/PSS) regularly updates its “Red Book”, using methods similar to those adopted by the BIS, to explain details of the payment and settlement systems of the member economies.
By the way, there is a survey that we conducted on why people do not have [formal] accounts. Surprise, surprise, the biggest answer is: "I have no money." But there are other things other than that, which we [at the central bank] can address. Indeed, even that other one [concern] can be addressed by very, very targeted programs of the government.