Sources
40 sources tiered by evidentiary weight: PRIMARY (issuer or government documents), SECONDARY (reputable news and cross-referenced reporting), TERTIARY (forensics-firm and community sources). Each row carries a SHA256 hash of the locally archived copy for tamper evidence; the archive column links to the Wayback Machine where one was captured.
| ID | Title and publisher | Tier | Date | Links | SHA256 |
|---|---|---|---|---|---|
CU-SRC-0040 |
USDC Banned Addresses on Ethereum (TheBlock dashboard time series) The Block | SECONDARY | 2026-04-23 | live archive — | cffd26fa4a… |
CU-SRC-0021 |
OFAC Specially Designated Nationals (SDN) Advanced XML US Treasury — Office of Foreign Assets Control | PRIMARY | 2026-04-17 | live archive — | 3a080ebf2a… |
CU-SRC-0024 |
Circle 16-wallet USDC freeze (sealed civil case 26-cv-2327) — multi-outlet reporting CoinDesk / FinanceFeeds / CCN / AMLBot / Bitcoin.com News (cross-verified summary) | SECONDARY | 2026-04-13 | live archive — | 533cbcfad4… |
CU-SRC-0039 |
ZachXBT — Welcome to the Circle USDC files ZachXBT (@zachxbt) via X | TERTIARY | 2026-04-03 | live archive — | 745dade38a… |
CU-SRC-0025 |
r/Buttcoin: Circle Froze 16 Operational Business Wallets Yesterday. For A Civil Case Nobody Can Name. Reddit (r/Buttcoin) | TERTIARY | 2026-03-24 | live archive — | e1b1284e20… |
CU-SRC-0026 |
Treasury Sanctions Facilitators of DPRK IT Worker Fraud Targeting U.S. Businesses (Press Release SB0416) U.S. Department of the Treasury — Office of Foreign Assets Control | PRIMARY | 2026-03-12 | live archive — | 14ab14396b… |
CU-SRC-0020 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2026-02-17 | live archive ✓ | a5e2edcdc5… |
CU-SRC-0019 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2026-02-05 | live archive ✓ | bd576aedba… |
CU-SRC-0031 |
OFAC Sanctions Zedcex and Zedxion (first-ever IRGC-linked digital asset exchange designation) + Zanjani (SB0375) U.S. Department of the Treasury — OFAC | PRIMARY | 2026-01-30 | live archive — | f77d20a5a0… |
CU-SRC-0032 |
OFAC Designates Russia-based Bulletproof Hosting Providers (Media Land / Aeza / Hypercore) + Ryan James Wedding Trafficking Network U.S. Department of the Treasury — OFAC; Federal Register 2025-20573 | PRIMARY | 2025-11-19 | live archive — | a8f8098e5e… |
CU-SRC-0027 |
Treasury Sanctions DPRK Bankers and Institutions Involved in Laundering Cybercrime Proceeds and IT Worker Funds (Press Release SB0302) U.S. Department of the Treasury — Office of Foreign Assets Control | PRIMARY | 2025-11-04 | live archive — | a5dbae6664… |
CU-SRC-0034 |
U.S. and U.K. Take Largest Action Ever Targeting Cybercriminal Networks in Southeast Asia (SB0278) + DOJ Chen Zhi Indictment U.S. Department of the Treasury — OFAC; DOJ; UK FCDO | PRIMARY | 2025-10-14 | live archive — | 70d4e0cda0… |
CU-SRC-0035 |
Treasury Targets Financial Network Supporting Iran's Military (SB0248; Derakhshan, Alivand, Iranian Shadow Banking Network) U.S. Department of the Treasury — OFAC | PRIMARY | 2025-09-16 | live archive — | 9abb8e2935… |
CU-SRC-0029 |
Treasury Sanctions Cryptocurrency Exchange and Network Enabling Sanctions Evasion and Cyber Criminals (SB0225; Garantex/Grinex) U.S. Department of the Treasury — OFAC | PRIMARY | 2025-08-14 | live archive — | afcff95998… |
CU-SRC-0018 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-06-05 | live archive ✓ | d5af55579a… |
CU-SRC-0017 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-04-09 | live archive ✓ | 058a0ce28d… |
CU-SRC-0030 |
Treasury Sanctions Houthi Network Procuring Weapons and Commodities from Russia (SB0068) U.S. Department of the Treasury — OFAC | PRIMARY | 2025-04-02 | live archive — | 98416b4e11… |
CU-SRC-0016 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-03-27 | live archive ✓ | 25fbe1514a… |
CU-SRC-0038 |
Treasury Lifts Sanctions on Tornado Cash (Delisting; SB0057) following Fifth Circuit Van Loon v. Treasury ruling U.S. Department of the Treasury — OFAC | PRIMARY | 2025-03-21 | live archive — | 717df7f4db… |
CU-SRC-0015 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-03-19 | live archive ✓ | 2b036e3e21… |
CU-SRC-0014 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-03-16 | live archive ✓ | c007bd75e8… |
CU-SRC-0013 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-03-07 | live archive ✓ | 0dd7725568… |
CU-SRC-0012 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-02-24 | live archive ✓ | f00644845c… |
CU-SRC-0011 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-02-12 | live archive ✓ | 1e7fd1b38a… |
CU-SRC-0037 |
US/UK/Australia Joint Sanctions on Zservers BPH for Enabling LockBit Ransomware (SB0018); Circle follow-up Feb 24 2025 U.S. Department of the Treasury — OFAC (coordinated with UK FCDO, Australia DFAT) | PRIMARY | 2025-02-11 | live archive — | 87f4d792c9… |
CU-SRC-0010 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-02-09 | live archive ✓ | 12bcc1ecac… |
CU-SRC-0009 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-02-03 | live archive ✓ | b7b823a085… |
CU-SRC-0008 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-01-30 | live archive ✓ | dd33bac45c… |
CU-SRC-0007 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-01-19 | live archive ✓ | cc83db406c… |
CU-SRC-0006 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2025-01-18 | live archive ✓ | f50b378934… |
CU-SRC-0033 |
Treasury Maintains Pressure on Houthi Procurement and Financing Schemes (JY2757) — Sa'id al-Jamal network expansion with 5 crypto addresses U.S. Department of the Treasury — OFAC | PRIMARY | 2024-12-19 | live archive — | 6a65ce4902… |
CU-SRC-0005 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2024-12-07 | live archive ✓ | 5d43298bcd… |
CU-SRC-0004 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2024-12-05 | live archive ✓ | 95b206c819… |
CU-SRC-0003 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2024-11-18 | live archive ✓ | 7d5b932678… |
CU-SRC-0002 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2024-11-12 | live archive ✓ | 3650db6338… |
CU-SRC-0001 |
Circle Privacy Policy Circle Internet Financial | PRIMARY | 2024-11-03 | live archive ✓ | 369d7a9121… |
CU-SRC-0036 |
Treasury Sanctions Hamas-Aligned Terrorist Fundraising Network (Gaza Now; JY2213; first joint OFAC+OFSI crypto designation) U.S. Department of the Treasury — OFAC (joint with UK OFSI) | PRIMARY | 2024-03-27 | live archive — | bd38a8e251… |
CU-SRC-0028 |
Treasury OFAC: Tornado Cash Redesignation (2022-11-08) + Darknet Fentanyl Suppliers (2022-11-09) — Press Release JY1089 U.S. Department of the Treasury — Office of Foreign Assets Control | PRIMARY | 2022-11-09 | live archive — | 3383c9d39f… |
CU-SRC-0023 |
Circle blacklists all Tornado Cash ETH addresses effectively freezing USDC CryptoSlate (cross-verified by LRQA Cyber Labs) | SECONDARY | 2022-08-08 | live archive — | 099145b058… |
CU-SRC-0022 |
Centre appears to have blacklisted an address holding USDC for the first time Yahoo Finance (syndicating CoinDesk) | SECONDARY | 2020-07-08 | live archive — | 23ad7cba8b… |
Tier distribution
- PRIMARY 34 — Circle or US/foreign government primary documents
- SECONDARY 4 — Reputable news organizations and court-filed third-party documents
- TERTIARY 2 — Forensics-firm reports, social media, research notes
20 of 40 sources have a Wayback Machine snapshot. The remaining 20 rely on a local archived copy verified by SHA256.