bit.ly/2Ekgqyn
www.dechert.com/knowledge/onpoint/2019/4/sec-staff-announces-guidance-and-no-action-relief-regarding-stat.html
www.skadden.com/insights/publications/2019/04/the-distributed-ledger#secreleases
www.steptoeblockchainblog.com/2019/04/sec-smooths-out-digital-assets-turbulence-with-further-guidance/
www.sec.gov/corpfin/framework-investment-contract-analysis-digital-assets
www.velaw.com/insights/the-sec-reaffirms-its-stance-most-tokens-are-securities/
See also:
www.secactions.com/mtokens-dmg-tokens-both-securities/