High Alert

A hacker turned 25 cents of bitcoin into 46 billion fake BTC tokens on a DeFi bridge

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: CoinDesk
A hacker turned 25 cents of bitcoin into 46 billion fake BTC tokens on a DeFi bridgeWorldPing
Image via CoinDesk.

What happened

Two software bugs allowed the attacker to create more than 2,000 times Bitcoin’s maximum supply in unbacked syBTC.

Symbiosis puts preliminary losses at 9.97 BTC.

Key facts

  • Two software bugs allowed the attacker to create more than 2,000 times Bitcoin’s maximum supply in unbacked syBTC.
  • Symbiosis puts preliminary losses at 9.97 BTC.
  • Reported by CoinDesk and published Tue, 15 Sep 2026 13:43:50 UTC.

Why it matters

Digital-asset markets react to catalysts within minutes, and liquidity, ETF flows and regulatory signals are usually what decide whether a move sticks.

What to watch next

  • Whether spot volume and open interest confirm the move
  • Liquidation clusters around the current price
  • ETF flow data and any regulatory follow-up

Coverage timeline

When each newsroom published on this story, oldest first — all times UTC.

  1. Bitcoin needs to reach $82,900 to outrun a looming miner margin squeeze

  2. A DeFi giant that once held $3 billion is now proposing to wind itself down

  3. Will the Clarity Act Pass the Senate? | Connor Brown, Bitcoin Policy Institute

  4. Bitcoin’s Price Is Sitting on Support After a Brutal $79K Rejection

  5. A hacker turned 25 cents of bitcoin into 46 billion fake BTC tokens on a DeFi bridge

  6. Morgan Stanley’s Bitcoin ETF Tops $600M Just Five Months After Launch

  7. Bitcoin ETF inflows are back, but BlackRock is carrying the market into the Fed meeting

Sources

The original report was published by CoinDesk. WorldPing does not claim that reporting — this page summarises and contextualises it.

Read the full report at CoinDesk

Follow the story

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Related WorldPing coverage

Will the Clarity Act Pass the Senate? | Connor Brown, Bitcoin Policy InstituteWorldPing
Bitcoin Magazine

Will the Clarity Act Pass the Senate? | Connor Brown, Bitcoin Policy Institute

Bitcoin Magazine Will the Clarity Act Pass the Senate? | Connor Brown, Bitcoin Policy Institute The Clarity Act reaches a make-or-break moment as the Senate holds a cloture vote that requires 60 votes from a chamber Republicans hold 53 seats in.

Brief by WorldPing · Original reporting by Bitcoin Magazine