That file would be ungodly large. There are 2^128 possible addresses, each weighing in at 128 bits, 16 bytes. 16 bytes times 340 trillion trillion trillion. That puts us around 5.44 trillion Zettabytes. The estimates I’ve seen for worldwide data storage sit aroun 60-70 zettabytes.
Sea of thieves is great, but only plays 4 at any given time. It also has alcohol and some T rated violence, but it depends on what your boundaries are for the kids.