I Built a Self-Hosted Crypto Trading Agent That Never Sees the Internet (My Keys Stay Home)

I Built a Self-Hosted Crypto Trading Agent That Never Sees the Internet (My Keys Stay Home) When you use 3Commas, Cryptohopper, or any cloud crypto bot, you give them three things: Your exchange API keys Your trading strategy Your complete trading history All three live on their servers. You trust their security team to protect them. Sometimes that trust is betrayed. In November 2022, 3Commas had a data incident. API keys for thousands of users were exposed. Funds were stolen. 3Commas initially denied it was their fault. They later admitted the keys were obtained through their platform. That incident taught a generation of algo traders a lesson: your keys belong on your machine, not theirs. This guide shows how to build a crypto trading agent that runs entirely on your local hardware. No cloud. No subscriptions. No third parties with access to your keys. Not financial advice. Paper trading only. Run this in paper trading mode before considering any live deployment. Why Local Matters Mo