The blocksize war, a contentious debate within the Bitcoin community, led to a chain split in 2017 and remains relevant seven years later.
Full story: https://finbold.com/bitcoin-or-bitcoin-cash-vitalik-buterin-delves-into-the-blocksize-war/
Full story: https://finbold.com/bitcoin-or-bitcoin-cash-vitalik-buterin-delves-into-the-blocksize-war/