Discover and read the best of Twitter Threads about #BigSpender
Most recents (1)
🚨 Imagine receiving $100.
You think you received the funds, but they never really arrived, and the worst is yet to come.
Today, we introduce #BigSpender: a vulnerability in some of #Bitcoin ’s most popular wallets, allowing attackers to double (and multiple) spend.
You think you received the funds, but they never really arrived, and the worst is yet to come.
Today, we introduce #BigSpender: a vulnerability in some of #Bitcoin ’s most popular wallets, allowing attackers to double (and multiple) spend.
🔓 #BigSpender attacks:
1. Double-spend: Canceled tx still appears in the victim’s wallet
2. Amplification attack: Attackers can repeat the above attack to artificially turn $10 to $1000
3. DoS: When trying to “send all”, the transaction fails
1. Double-spend: Canceled tx still appears in the victim’s wallet
2. Amplification attack: Attackers can repeat the above attack to artificially turn $10 to $1000
3. DoS: When trying to “send all”, the transaction fails
Watch full demonstrations of #BigSpender’s double-spend, amplification, and DoS attacks on the vulnerable wallets 👇
zengo.com/bigspender-dou…
zengo.com/bigspender-dou…
