She deposited 0.5 BTC on faith. The app executed its first trade flawlessly. Her balance grew. Then another. Then a 12% gap on Solana.
The app froze. Then came the red text: "API keys revoked. Withdrawals locked."
"Just one more," she whispered, clicking MAX.
By day three, she had 2.1 BTC.
But the interface was beautiful. Green numbers flashed: "BNB: 3.2% spread Binance → KuCoin. Profit: $412 in 6 seconds."