| Layer | Implementation | 
|---|---|
| Legal Structure | SEC-registered funds (Rule 506(c) offerings) | 
| Custody | Morgan Stanley, Coinbase Custody | 
| Asset Backing | Direct holdings in BlackRock SHV ETF, U.S. Treasuries | 
| On-Chain Layer | ERC-20 (Ethereum), SPL (Solana), Mantle, Aptos | 
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