Slope Wallet Private Key Leak

Slope Wallet

Critical
Confirmed
August 2, 2022
Frontend Attack
$4,000,000.00

Description

Slope Wallet was sending user seed phrases unencrypted to their centralized servers, leading to a compromise of thousands of wallets.

Technical Details

The Slope mobile app was logging user seed phrases in plaintext and transmitting them to centralized servers. A breach of these servers exposed private keys that were then used to drain funds.

Wallet
Privacy
Seed Phrase

Exploit Timeline

Initial Reports

First reports of wallets being drained.

Investigation Begun

Multiple security teams began investigation.

Cause Identified

Plaintext logging of seed phrases identified as the cause.

On-Chain Details

No on-chain transaction details available.

Protection Resources

Smart Contract Security Checklist

Essential checks for contract developers

Oracle Attack Prevention Guide

Learn to prevent oracle manipulation

Emergency Response Playbook

Quick response guide for projects