Plastron Blog — Page 9
Claiming a Crypto Airdrop? Run This 7-Point Checklist First
A 7-step checklist for claiming crypto airdrops safely: verify the source, screen the contract and destination wallet, cap the approval, then revoke it after signing.
OFAC · 2026-07-29 · 6 min readCan a Multisig Wallet Get Sanctioned Like Any Other Address?
Extra signatures don't buy immunity. OFAC has already frozen $475 million across multisig-custody wallets tied to Iran's central bank, and screening tools never see the governance structure behind an address.
Comparison · 2026-07-28 · 5 min readEtherscan vs a Wallet Screening Tool: What It Won't Show You
A block explorer and a wallet screening tool answer different questions - here is the line between proving a transaction happened and knowing it's safe.
Stolen Funds · 2026-07-27 · 7 min read16 Blockchains Can Freeze Your Wallet - No Exchange Required
A blockchain froze $71 million without any exchange in the loop - here is how many networks can do that, and what it means if your wallet is a few hops away.
Sanctions · 2026-07-26 · 5 min readWhy Passing the Chainalysis Oracle Doesn't Mean Your Wallet Is Clean
A free smart contract that checks sanctions lists is not the same as a wallet risk score - here is exactly where the Chainalysis oracle's coverage ends.
AI Agents · 2026-07-25 · 7 min readAI Agents Are Getting Crypto Wallets. Are They Getting Screened?
AI agents now pay each other in stablecoins with no human in the loop. The $175,000 Grok-Bankr hack shows those wallets carry the exact same sanctions and stolen-funds exposure a human wallet does - and almost nobody is screening them.
NFT · 2026-07-24 · 6 min readNFT Wash Trading Hit 60% of Trade Value. Your Wallet Could Be Next
Wash trading fakes NFT volume, not a crime by itself. But the funding-source and back-and-forth patterns it leaves on-chain are the same signals AML wallet-screening tools use to flag high-risk addresses everywhere else.
OFAC · 2026-07-24 · 2 min readOFAC Adds 7 New Digital-Currency Addresses to SDN List
Plastron's daily OFAC diff detected 7 new digital-currency addresses added to the SDN list on July 24, 2026, all linked to a single SDGT-designated individual.
nonprofits · 2026-07-23 · 5 min readCrypto Donation Checklist: 7 Checks Before Your Nonprofit Says Yes
A 7-step checklist for nonprofits accepting crypto donations: screen the donor's wallet for sanctions, mixer, and stolen-funds exposure before you book the gift.
USDC · 2026-07-22 · 4 min readCircle Froze 16 USDC Wallets by Mistake. Could Yours Be Next?
In March 2026 Circle froze 16 business wallets it had no sanctions claim against, tied to someone else's sealed civil case. Here is how USDC's blacklist actually works, and why there is no appeal.