Settlement can wait, Acceptance cannot: Cryptographic Offline Payments for the Nigerian MarketAbstract Every payment method deployed in Nigeria — NIP, USSD, NQR, POS — requires the payer and the receiver to be online at the exact moment of sale. For a material fraction of transactions, every dApr 22 · 25 min readcodewithintellect.hashnode.dev
How Databases Store Your Data: Building a Hash Index Engine from Scratch"Future users of large data banks must be protected from having to know how the data is organized in the machine." — Edgar F. Codd, Inventor of the Relational Model This quote from Edgar F. Codd, the inventor of the relational data model, is now a f...Dec 23, 2025 · 23 min readcodewithintellect.hashnode.dev
Building My Digital Playground: How I Built a Self-Sufficient Homelab That Never SleepsIntroduction It started with a simple motivation — I wanted a reliable and affordable way to experiment, learn, and host personal services without running them on my daily machine. I've always believed that the best way to understand systems is to bu...Nov 2, 2025 · 22 min readcodewithintellect.hashnode.dev
Advance Data Types in Go: Arrays, Slices, Maps, FunctionsThis article builds upon the last entry in the “Golang Primer” series, where we delved into the intricacies of Go syntax and covered fundamental language features, specifically focusing on primary data types in Golang. In this installment, we take a ...1ENov 26, 2023 · 17 min readcodewithintellect.hashnode.dev
Understanding Go Syntax and Language FeaturesIn this article, I will be introducing you to the basic foundation of reading and writing GoLang. Go is one of the simplest programming languages, which is one of the many reasons many developers love the language so much (find out other reasons why ...1LNov 5, 2023 · 18 min readcodewithintellect.hashnode.dev