Substack · notes
Understanding Race Condition and Mutexes in Golang
What I learned about goroutines, channels, race conditions, and mutexes — with examples from building Go projects.
I build backend systems and fullstack products — mostly MERN stack, with Go for performance-critical services. Currently open and actively looking for freelance, contract, and full-time roles.
You might also know me as askwhyharsh on GitHub and Twitter.
> Recent Writing
↗Substack · essay
Ethereum at Scale: Can Rollups Solve?
Notes on Ethereum scaling, rollup trade-offs, and what actually changes when execution moves away from L1.
Substack · notes
Here's What I Learned About Elliptic Curves
A practical write-up on the math and intuition behind elliptic curves, signatures, and why crypto systems lean on them.