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The independent scoring system for Bitcoin custody. Every platform scored and ranked.

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2026 Proof of Custody. Published by Onramp Bitcoin. Editorial Independence.proofofcustody.io
Stablecoin Custody

Stablecoin Custody &
Transparency Scores.

The stablecoin market exceeds $230B. But who custodies the reserves? How do you verify them? We score every stablecoin issuer and custody provider on the questions that matter most.

View Stablecoin ScoresGENIUS Act Guide
$230B+
Stablecoin Market Cap
14+
Platforms Scored
KD 0
"Stablecoin Custody"
2026
GENIUS Act Rules
Data: Dune AnalyticsView on Dune →
Data: Dune AnalyticsView on Dune →
Top Rated

Stablecoin Platform Scores

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Circle (USDC)A-
Multi-Institution Reserves (BlackRock + BNY Mellon)
82

USDC reserves custodied by BlackRock (Circle Reserve Fund) and BNY Mellon. Monthly attestations by Deloitte. Most transparent stablecoin issuer and GENIUS Act ready.

PaxosB+
NY Trust Company (State-Regulated)
78

NY DFS-regulated trust company. Issues PYUSD for PayPal, USDP, and Pax Gold (PAXG). Monthly attestations by WithumSmith+Brown. Strongest regulatory position of any stablecoin issuer.

BNY MellonB
World's Largest Custodian Bank
76

World's largest custodian bank ($52T+ in assets under custody). Holds USDC cash reserves for Circle. Custodies assets for 11 Bitcoin ETFs. Unmatched regulatory credibility and balance sheet.

Bridge (by Stripe)B
Stablecoin Orchestration (Stripe-Backed)
75

Acquired by Stripe for $1.1B. Stablecoin orchestration layer powering cross-border payments, on/off-ramps, and stablecoin issuance for enterprises. Developer-first API design.

Regulatory Guide

The GENIUS Act & Stablecoin Custody

The first federal stablecoin law mandates segregated reserve custody, regulated custodians, and monthly attestations. Our guide breaks down what it means for every issuer.

Read the GENIUS Act Guide
Go Deeper

Stablecoin Research

Custody Guide

The complete guide to stablecoin custody: reserve models, custodian profiles, verification methods, and how to evaluate any stablecoin.

USDT vs USDC

Reserve custody comparison: BlackRock/BNY Mellon vs Cantor Fitzgerald. Audit vs attestation. GENIUS Act readiness.

GENIUS Act Guide

What the GENIUS Act requires for reserve custody: segregation mandates, attestation rules, and compliance timelines.

Stablecoin Scores

Every stablecoin issuer and custody provider scored across six categories. Filter, sort, and compare.

Market Data

Live stablecoin market cap, flows, and on-chain analytics. Charts from DefiLlama and Dune.

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