Bitcoin Diamond
Bitcoin Diamond is a hard fork of the cryptocurrency Bitcoin. The fork occurred in November 2017, on block 495866.
Description
The difference between Bitcoin and Bitcoin Diamond is that they multiplied the supply by 10, meaning that if you had 1 BTC before block 495866, you received 10 BCD. The code appears to be very similar to the Bitcoin Core code. The developers remain anonymous.
See Also on BitcoinWiki
References
Bitcoin Diamond/Super Bitcoin/BitCore: What You Need To Know