#solana

• 01

  Building a public URL checker without becoming an SSRF proxy

  I built an RPC checker where my server fetches a user-supplied URL — the textbook setup for SSRF. Here's how I made sure it can't be turned against my own infra.

  2026-06-11→
• 02

  Is your Solana RPC actually production-ready?

  Not 'is the RPC online?' but 'which RPC should I actually trust for my bot/wallet/indexer?'. I built sol-doctor to answer that — and there's a mini demo running right in the browser.

  2026-06-11→