The Bitcoin SV (BSV) chain changed rules in a planned hard fork, and a miner produced a rogue block exploiting a loophole. But the chain did not split off, as only one rogue block was produced. The fork was deemed a success, for expanding the allowed block size to 2 GB.
A large block size is the chief aim of Bitcoin SV, a project dedicated to on-chain scaling. This also means that BSV would rely on known miners with dedicated hardware, instead of anonymous voluntary block producers. Distributing big blocks through the network is also harder.
The Bitcoin SV network also has a relatively low hashrate...