Meme Insider

Advent of Bugs #3: How Optional Accounts Let Users Bypass Fees in Solana Swaps

Discover a critical Solana vulnerability where optional fee accounts allowed fee evasion in swap instructions. Learn the fix using PDAs and CPI signatures for secure DeFi protocols.

December 3, 2025

Solana CTF Challenge: Dive into a Real-World ZK Proof Bug Found 8 Months Ago

Explore the latest Solana CTF challenge inspired by a critical vulnerability in the ZK ElGamal Proof program, offering hands-on learning for blockchain security and meme token developers.

November 2, 2025