After years of working in free software, Deb is always suspicious of new technology. She has some reservations about blockchain as well.
The promise of blockchain is that it is transparent, decentralised, efficienct.
Ledgers have been around since around the 15th century with the invention of double book accounting. This system brought transparency, but only to those who can read. In other words, when looking at the transparency feature, it is important to make sure that everybody can actually access the information.