▁on ▁ 1 ▁August ▁ 2 0 1 7 , ▁resulting ▁in ▁the ▁creation ▁of ▁Bit co in ▁C ash . ▁ ▁The ▁following ▁is ▁a ▁list ▁of ▁notable ▁hard ▁for ks ▁splitting ▁bit co in ▁by ▁date ▁and / or ▁block : ▁▁ ▁Bit co in ▁C ash : ▁F ork ed ▁at ▁block ▁ 4 7 8 5 5 8 , ▁, ▁for ▁each ▁bit co in ▁( B TC ), ▁an ▁owner ▁got ▁ 1 ▁Bit co in ▁C ash ▁( B CH ) ▁ ▁Bit co in ▁SV : ▁F ork ed ▁at ▁block ▁ 5 5 6 7 6 6 , ▁, ▁for ▁each ▁Bit co in ▁C ash ▁( B CH ), ▁an ▁owner ▁got ▁ 1 ▁Bit co in ▁SV ▁( B SV ). ▁ ▁Bit co in ▁Gold : ▁F ork ed ▁at ▁block ▁ 4 9 1 4 0 7 , ▁, ▁for ▁each ▁bit co in ▁( B TC ), ▁an ▁owner ▁got ▁ 1 ▁Bit co in ▁Gold ▁( B T G ) ▁ ▁Int ended ▁soft ▁for ks ▁splitting ▁from ▁not - most - work ▁block ▁ ▁The ▁fork ▁fixing ▁the ▁value ▁overflow ▁incident ▁was ▁controvers ial ▁because ▁it ▁was ▁announced ▁after ▁the ▁explo it ▁was ▁m ined . ▁It ▁was ▁assigned ▁C VE - 2 0 1 0 - 5 1 3 9 . ▁ ▁Un int ended ▁hard ▁for ks ▁Two ▁hard ▁for ks ▁were ▁created ▁by ▁" protocol ▁change " ▁definition : ▁ ▁March ▁ 2 0 1