Citigroup launched Digital Depositary Receipts (DDRs) to tokenize private startup equity on the SIX blockchain network. The move democratizes access to pre-IPO shares for institutional investors by converting illiquid private stock into blockchain-native assets that trade like traditional securities.
DDRs function as cryptographic proxies for underlying private company shares. Investors hold tokenized claims on equity rather than shares directly. This structure enables fractional ownership, faster settlement, and round-the-clock trading on blockchain rails instead of traditional market infrastructure. The SIX blockchain, operated by Switzerland's primary stock exchange, provides institutional-grade settlement and custody.
The initiative targets large institutional players. Wealth managers, pension funds, and family offices gain exposure to private startups without navigating fragmented secondary markets or illiquidity traps that plague traditional private equity secondary markets. Citi's framework removes friction around valuation disputes, cap table management, and fund lockup periods that plague conventional private share transfers.
This development reflects broader institutional adoption of tokenization. Asset managers increasingly view blockchain infrastructure as superior to legacy systems for certain use cases. Settlement speed, 24/7 market access, and programmable automation outweigh regulatory friction for mature institutions with compliance infrastructure. Citi's endorsement carries weight among institutional gatekeepers who previously dismissed crypto rails as unreliable.
The timing aligns with venture capital's liquidity crisis. Late-stage private startups face delayed exit timelines. Secondary markets like Forge and EquityZen struggled with valuation transparency and investor disputes. Tokenized intermediaries reduce friction points by automating custodial functions and price discovery through continuous trading rather than infrequent bilateral negotiations.
Regulatory clarity remains conditional. Swiss authorities granted SIX blockchain license approval, but U.S. regulators have not explicitly blessed tokenized equity trading. Citi's move operates within existing broker-dealer frameworks by treating DDRs as securities rather than cryptocurrencies, sidestepping nascent crypto regulation.
The DDR model extends beyond startups. Real estate, commodities, and bond portfolios face similar illiquidity challenges. Tokenization infrastructure from Citi, JPMorgan, and others signals institutional conviction that blockchain settlement becomes standard infrastructure for alternative asset classes within five years. DDRs represent incremental adoption, not revolutionary change, but incremental moves by trillion-dollar institutions typically stick.