>the days of mainframes Those days aren't over. Mainframes are still in serious use, at least in banks, and (I didn't know this until going to find the followi

>the days of mainframes Those days aren't over. Mainframes are still in serious use, at least in banks, and (I didn't know this until going to find the following link) apparently also have Blockchain support: https://www.ibm.com/us-en/marketplace/z14 https://www.ibm.com/us-en/marketplace/z14