A blockchain is a type of distributed ledger. But new distributed ledgers are emerging. These are databases where control over the data’s evolution is shared between entities. Here’s a handy cheatsheet.
I have heard this comment many times: “Blockchain” is a solution looking for a problem. That is incorrect – here’s the problem statement, originally articulated in 2008: The problem statement, to paraphrase, is “How...
The DTCC whitepaper (Jan 2016) was a very good read. I attempt to summarise it here.