If you held Bitcoin at the time Bitcoin Cash was created (block #478558, 1st Aug 2017 13:16 UTC) you now own the same amount of Bitcoin Cash. This short tutorial will show you how to claim Bitcoin Cash from the Bitcoin you had held in a Bitcoin Core wallet at the time of the hard fork.
The quickest way to sync the Gridcoin wallet is by downloading the latest official snapshot. This can be done by clicking the Download Blocks menu option in the client or by downloading the snapshot manually.
The last time I tried the Download Blocks option it got stuck on 99% so here’s a tutorial on how to do it manually on Windows 10.
Bitcoin uses an algorithm called Proof-of-Work (POW) to secure the network and it wastes enormous amounts of energy. Some estimates suggest by 2020 the Bitcoin network could use as much electricity as the whole of Denmark.