With advent of digital storage, we might want to presume information is stored forever. Nothing could be farther from the truth. Digital information is highly perishable. The average age of a corporate application is three to four years. This is particularly true in case of financial and health records where providers are forced to purge after max retention - normally seven years. The reason is simple - storage has a cost, and migration from one system to another is messy. One of the reason #Bitcoin is gaining momentum is it promises eternal immutability to information - like the physical books.

The global ledger is already reaching a terabyte of space ! Is it sustainable ? #askNostr