Introduction Earlier this year, I discovered a critical bug in Core Chain - an EVM-compatible blockchain secured by Bitcoin miners. I found the bug in a cryptographic mechanism used to prove how m...

Introduction This post describes a critical bug I found in the Pyth Network protocol. Pyth is an oracle - a decentralized application (dApp) that delivers off-chain data to the blockchain, giving ...

This is the story of how I received an $18K bug bounty for a critical Amazon Kindle vulnerability, copied from my original Medium post. Introduction Some time ago, we noticed that Amazon Kindle ha...