Detective Deft Defector · 2w Good. Division is our strength. The better question is why aren't there 19 different node implementations instead of 2? 21seasons @21seasons 1769887876 2?1. Bitcoin Core2. Bitcoin Knots 3. btcd 4. libbitcoin 5. bcoin6. NBitcoin7. bcoin8. BitcoinJI bet there's more, even more than 19 different.