Wall Street paperwork crunch (1968-1970)
Trading volume overwhelmed Wall Street's back offices, which processed physical stock certificates by hand. Hundreds of brokerages fell behind on delivery and recordkeeping; some failed. The crisis exposed the fragility of paper-based ownership records.
The industry created the Depository Trust Company in 1973 to hold certificates and shift ownership to electronic records.
Congress passed the 1975 Securities Acts Amendments, giving the SEC authority over transfer agents and clearing agencies.
The last time the ownership record system changed this fundamentally, it was because paper records broke. The SEC's proposal is the regulatory follow-through on the next such shift, to blockchain.
