For handling distributed convergence in an entirely trusted space, take a look at Vector Clocks https://en.wikipedia.org/wiki/Vector_clock https://en.wikipedia.

For handling distributed convergence in an entirely trusted space, take a look at Vector Clocks https://en.wikipedia.org/wiki/Vector_clock https://en.wikipedia.org/wiki/Vector_clock Blockchains build off the general concept by introducing proof of work and consistent design to handle forks (longest blockchain wins)