Graphene is the technology below BTS,then fixed a bit on STEEM and with full power on EOS. Currentyl it seems these 3 dominate actions on all blockchains vs others.

Op is operation on blockchain.

The rest?

We have GOLOS there, a fork of STEEM for russian community.

I have to say im not aware what SCR is but it trades on OpenLedger (with EOS, BTS and STEEM) so i assume its also a Graphene fork.

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