Welcome to EternalChain

A small home on the internet. Engrave words on the blockchain, read what we're thinking about, or wander the playground.

Engrave
Seal a message permanently on Bitcoin, Ethereum, or Solana. From $5.
Blog
Notes on cryptography, permanence, and the things we build.
Playground
A collection of small apps and games. Mostly built on weekends.
◊ ETERNALCHAIN — Любовь навечно. © 2026·Условия использования