BREAKING
Oct 12Coldcard's Own X Account Told Users to Move Their Bitcoin. Coldcard Can't Find a Single Login●Oct 11For 11 Years, a Few Hundred XRP Could Have Printed XRP Past the 100 Billion Cap. Ripple's Engineers Patched It Without Telling Anyone Why●Oct 10Ledger Just Told Buyers Not to Set Up the Wallet They Paid For. Analysts Say $86M Is Already Gone●Oct 9Cantor Fitzgerald's Tether Stake Went From $600M to $10B. Now a Senator Wants to See the Receipts●Oct 7OKX Pleaded Guilty to Running an Illegal Money Business in the US. Now Circle, Ripple and Standard Chartered Are Buying In●Oct 6Treasury Wanted a Token Swap or a Fresh Wallet Address Counted as 'Mixing.' It Just Dropped the Rule●Oct 5Someone Just Drained $6 Million From a Vault on Base. Nobody Will Say Whose Vault It Was●Oct 4Blast Pulled In $2 Billion Before It Even Had a Chain. Now It's Switching the Chain Off Because It Can't Cover the Bills●Oct 3Someone Stole Less Than $1,000 From MetaMask's Validators. MetaMask Is Pulling $1.4 Billion of ETH Out of Staking Because of It●Oct 2The SEC Just Told Fund Managers They Can Hold Your Crypto Keys Themselves. The Catch: Every Quarter They Have to Write Down That Nobody Else Will●Oct 12Coldcard's Own X Account Told Users to Move Their Bitcoin. Coldcard Can't Find a Single Login●Oct 11For 11 Years, a Few Hundred XRP Could Have Printed XRP Past the 100 Billion Cap. Ripple's Engineers Patched It Without Telling Anyone Why●Oct 10Ledger Just Told Buyers Not to Set Up the Wallet They Paid For. Analysts Say $86M Is Already Gone●Oct 9Cantor Fitzgerald's Tether Stake Went From $600M to $10B. Now a Senator Wants to See the Receipts●Oct 7OKX Pleaded Guilty to Running an Illegal Money Business in the US. Now Circle, Ripple and Standard Chartered Are Buying In●Oct 6Treasury Wanted a Token Swap or a Fresh Wallet Address Counted as 'Mixing.' It Just Dropped the Rule●Oct 5Someone Just Drained $6 Million From a Vault on Base. Nobody Will Say Whose Vault It Was●Oct 4Blast Pulled In $2 Billion Before It Even Had a Chain. Now It's Switching the Chain Off Because It Can't Cover the Bills●Oct 3Someone Stole Less Than $1,000 From MetaMask's Validators. MetaMask Is Pulling $1.4 Billion of ETH Out of Staking Because of It●Oct 2The SEC Just Told Fund Managers They Can Hold Your Crypto Keys Themselves. The Catch: Every Quarter They Have to Write Down That Nobody Else Will●
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The Weekly Grind (Sep 15–Sep 21): Polymarket's 80% Fraud Disaster

The Weekly Grind (Sep 15–Sep 21): Polymarket's 80% Fraud Disaster

September 21, 2026 · 2 min read · 318 words

Weekly Grind (Sep 15–Sep 21): Polymarket’s 80% Fraud Disaster

This week in crypto was a rollercoaster of scandals, legislative drama, and regulatory maneuvers. From Polymarket’s massive fraud issue to the demise of the CLARITY Act, the crypto world is grappling with challenges on multiple fronts. Meanwhile, Visa is cracking down on crypto purchases via credit cards, and Robinhood is cleaning up internal messes.

The Big Stories

  • Polymarket’s Fraud Fiasco: Polymarket’s payment processor flagged 80% of US deposits as fraudulent. CEO Shayne Coplan allegedly told the team to keep growing and worry about fines later. Read more: Polymarket’s Fraud Issue

  • Visa’s Crackdown on Memecoins: Robinhood Wallet users were buying memecoins with credit cards, earning cash back due to a loophole. Visa has now ordered processors to use the correct codes for crypto transactions. Full story: Visa’s Memecoin Crackdown

  • Senate Kills CLARITY Act: The Senate voted 49-50 against the CLARITY Act, a major blow to crypto regulation efforts. Meanwhile, the CFTC moved forward with its own crypto rules. Details here: Senate Kills CLARITY

  • Robinhood’s Internal Scandal: Two engineers front-ran token listings, making $50K each. They’re now facing up to 30 years in prison. More info: Robinhood’s Scandal

By the Numbers

  • 80% of Polymarket’s US deposits were flagged as fraudulent.
  • $10 million laundered through Polymarket in fraudulent bets.
  • $21 billion Polymarket’s valuation despite fraud issues.
  • 49-50 Senate vote against the CLARITY Act.
  • $50,000 profit made by each Robinhood engineer through front-running.

What This Means for Crypto Jobs

The fraud and legal issues surrounding companies like Polymarket and Robinhood could result in tightened compliance and legal roles as firms aim to clean up their acts. On the flip side, the collapse of the CLARITY Act might stall hiring in regulatory affairs until the dust settles. Community Manager roles remain lucrative, with salaries ranging from $90K to $300K, as protocols seek to maintain strong user engagement.

Find your next crypto role at cryptogrind.com.

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