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CUMBUTokenized U.S. Treasuries·China Asset Management·LiveAs of Sep 24, 2026···

ChinaAMC USD Digital Money Market Fund Class B

Class B share of ChinaAMC's USD digital money market fund.

Verified Capital Quality Rating
62/ 100
Developing+23 to Verified Capital (≥85)
OCB — 01·Rating breakdown
Methodology v1.6 · Sep 24, 2026

CUMBU across four dimensions

Disclosure18 / 25
Liquidity17 / 25
StructureLIMITING14 / 25
Concentrationn/a

Holder Concentration is not published for this instrument — its holder base is too large or too widely distributed to measure to ground truth. The composite reflects the three measured dimensions, renormalized.

Gap to Verified Capital (≥85)+23

Signal readings

Disclosure tier
self published
Attestation age
1 d
Attestations / 180d
122
Outstanding supply
Price unavailable
Liquidity / supply
0.000%
Top-10 holder pct
Withheld
Custody verification
described

Custody & backing fields are descriptive — published, not scored

OCB — 02·Rating history
11 readings

CUMBU quality rating since coverage began

Rating trend

A rating trend is shown once sufficient history has accrued.

OCB — 03·Deployment

Where this instrument lives onchain

ETHEthereum
0x1aaa33…5f3bbfExplorer ↗

Supply scope: Ethereum only

OCB — 04·Coverage gaps + diligence

Where coverage is incomplete — and what could narrow it

Methodology

CUMBU is scored across the same four dimensions as every other rated instrument in its class — Disclosure Quality, Redemption Liquidity, Structural Trust, and Holder Concentration. Each dimension contributes up to 25 points. The dimension breakdown above shows where the score comes from; the diligence trail shows every verified fact behind it.

Read the full methodology ↗
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