EUR/USD 1.1538 ▼ 0.04%GBP/USD 1.3479 ▲ 0.01%USD/JPY 155.4667 ▲ 0.23%USD/CHF 0.8189 ▲ 0.01%EUR/CHF 0.9452 ▲ 0.02%BTC/USD 75,523.48 ▼ 0.16%ETH/USD 2,397.53 ▼ 0.03%SOL/USD 97.26 ▲ 0.39%XAU/USD 4,289.13 ▼ 0.11%EUR/USD 1.1538 ▼ 0.04%GBP/USD 1.3479 ▲ 0.01%USD/JPY 155.4667 ▲ 0.23%USD/CHF 0.8189 ▲ 0.01%EUR/CHF 0.9452 ▲ 0.02%BTC/USD 75,523.48 ▼ 0.16%ETH/USD 2,397.53 ▼ 0.03%SOL/USD 97.26 ▲ 0.39%XAU/USD 4,289.13 ▼ 0.11%
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Markets/CryptoArticle

Hacker converts 25¢ of Bitcoin into 46 billion fake BTC tokens on DeFi bridge

A hacker exploited two software bugs to mint 46 billion unbacked syBTC tokens, with Symbiosis estimating preliminary losses of 9.97 BTC.

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Marcus Webb · Crypto Desk · 16 Sept 2026 · 02:17 · 1 min read
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Hacker converts 25¢ of Bitcoin into 46 billion fake BTC tokens on DeFi bridge

A hacker turned a 25‑cent Bitcoin holding into 46 billion counterfeit BTC tokens on a decentralized finance bridge.

Bitcoin

BTCUSD
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75954.2800▲ 0.41%
As of 16/09/2026, 00:00:00

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

Symbiosis reports preliminary losses of 9.97 BTC from the incident.

CryptoDeFiBitcoin
This article was produced with AI assistance and edited by a Finance Review Daily journalist.
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Written by
Marcus Webb
Crypto Desk

Marcus reports on digital assets, from spot ETF flows to protocol-level developments in DeFi. He pays particular attention to how institutional adoption is reshaping crypto market structure.

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Market Snapshot

Delayed
EUR/USD1.1538▼ 0.04%GBP/USD1.3479▲ 0.01%USD/CHF0.8189▲ 0.01%BTC/USD75,523.48▼ 0.16%ETH/USD2,397.53▼ 0.03%XAU/USD4,289.13▼ 0.11%

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Hacker creates 46B fake BTC tokens · Finance Review Daily