Auditing Common Security Vulnerabilities in Wallet Code: A Practical Review Checklist That Finds Real Bugs
Wallet security failures rarely look like a single dramatic “hack.”
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Implementing Push Notifications for Transaction Confirmation: From On-Chain Events to a Message Users Trust
The first time you ship “transaction sent,” users immediately ask the next question: “Did it go through?”
Adding Sign-In with Ethereum (SIWE) for Authentication
“Connect wallet” tells you a provider exists. It doesn’t prove identity to your backend, and it doesn’t protect you from replay.
Building a Simple Hardware Wallet Simulator for Testing
Hardware wallet support is one of those features that looks finished right up until you try to test it at scale. A developer doesn’t have the right device model.
Developing a Browser Extension Wallet (Manifest V3): Architecture, Security, and the Parts That Break First
A browser extension wallet feels like the most “native” way to meet users where web3 actually happens: in tabs, in dapps, at the moment a signature is needed.
Creating a Transaction History List From the Blockchain: What Wallet UIs Usually Miss
A transaction history screen looks like a simple feature until you build it for real users.
Implementing “Connect Wallet” via WalletConnect v2: Getting to a Stable Session
The first “Connect wallet” button you ship is usually a small celebration.
Integrating a Bitcoin Wallet With bitcoinjs-lib: From “Generate Keys” to “Ship Transactions”
A Bitcoin wallet integration can look deceptively simple at first glance.
