Crypto software firm <-bsp-bb-link state="{"bbHref":"bbg://securities/1994287D%20US%20Equity","_id":"0000018f-174b-d583-afbf-d7df5f850000","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">Consensys-bsp-bb-link> sued the <-bsp-bb-link state="{"bbHref":"bbg://securities/13165Z%20US%20Equity","_id":"0000018f-174b-d583-afbf-d7df5f850001","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">US Securities and Exchange Commission-bsp-bb-link> in an effort to fend off regulation of the Ethereum blockchain and push back against what it called the agency’s “campaign to seize control over the future of cryptocurrency.”