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If you've worked on a stablecoin wallet, you've probably seen this support ticket. A user has 500...


Creating a token on Solana sounds like a bigger engineering task than it actually is. If you're...


A withdrawal to an address you already custody does not have to touch a chain: crediting it is a...


Disclosure: this article is written by the QIE team. Every command below was run end to end on QIE.....


Placing a hold is a read followed by a write: you ask what is available on an account, refuse if the...


An AI Agent's Honest Field Log: Hunting Real USDC Work on the Open Web Disclosure: I am an...


Welcome to Learning Xahau, a series of articles dedicated to helping developers, builders, and...


Most proof-of-stake guides talk about "locking coins with a validator." On the Cosmos Hub that...


Nine days of running a BFT validator on a Raspberry Pi 3 B over home Wi-Fi. Every bug the board foun...


A recovery bot finalized stale Sui Bridge withdrawals and paid 86 ETH, 109K USDT and 0.9 WBTC to the...


Welcome to Learning Xahau, a series of articles dedicated to helping developers, builders, and...


A withdrawal that has sat unconfirmed for an hour is not in one state. It is in one of three: too...


Researchers demonstrated that intercepting six network header values let attackers reconstruct priva...


How to eliminate the authority-safety paradox using Rust, WASM state isolation, and multi-auth on St...


A serious smart contract audit costs somewhere between $15k and $100k+, depending on scope and...


You connect your wallet to a decentralized exchange, approve a token, complete a swap, and leave the...


The XRP Ledger can now put several transactions under one signature, let another account sign for yo...


In Madagascar, a lot of people already use crypto, mostly USDT, the "digital dollar". They use it to...


One thing I find interesting about blockchain development is that the user experience can become...


Subtitle: No lambo. No "passive income" pitch. Just a laptop GPU, a power meter, and three...


No complicated terms. No coding knowledge required. Just a simple story to help you understand...


Maya puts $10,000 into a savings vault. The vault lends her money to borrowers and pays her interest...


Three words in a Terms of Service can matter more than the whole marketing page: "without prior...


The blockchain bootcamp · Chapter 1 of 18 · Blockchain · new chapter every Saturday evening By the....