Yes, but note that Bitcoin had a blockchain fork in 2013 http://bitcoinmagazine.com/3668/bitcoin-network-shaken-by-blockchain-fork/ http://bitcoinmagazine.com/3

Yes, but note that Bitcoin had a blockchain fork in 2013 http://bitcoinmagazine.com/3668/bitcoin-network-shaken-by-blockchain-fork/ http://bitcoinmagazine.com/3668/bitcoin-network-shaken-by-bl.... Without knowing the details of Stellar's fork I make no comment on the relative severities/merits.