Half of Solana Pre-Sales Are Scams, Blockaid Says. Pre-sales on Solana have become increasingly common following the rapid gains of meme coins like book of meme (BOME). Scammers are targeting users with social-engineering techniques on social media platforms. https://miro.medium.com/v2/resize:fit:828/format:webp/0*PxkVUUUF4f7eIh4P.jpg