Osiris · Blog
Blockchain technology, consensus and scaling solutions.
Most traders know ENS as the airdrop that paid early users five figures. The more interesting story is now: a naming protocol with 2.8 million names, real on-chain revenue, registrations at all-time highs, a token that fell anyway, and a 2026 decision to scrap its own L2 and stay on mainnet.
Rollups carry most of Ethereum's traffic, so it pays to know the machinery: what a sequencer does, how fraud proofs differ from validity proofs, why optimistic withdrawals take a week, and what EIP-4844 blobs changed about the economics.
Layer 2 networks are where Ethereum activity actually happens now. Rollups, state channels and sidechains, what security each one really inherits, and why a sidechain is not an L2 no matter what its marketing says.
Layer 2 gets the headlines, but Ethereum keeps rebuilding its own foundation: the Merge, proto-danksharding, statelessness research. What each base-layer upgrade changes, what has shipped, and why the L1 deliberately stays slow.
Ethereum settled the smart-contract question and inherited four harder ones: throughput, security, fees and governance. A sober look at each problem, what causes it, and which fixes have shipped versus which are still promises.
Strip away the buzzwords and a blockchain is a ledger nobody owns. What that means mechanically, the problems it solves and the ones it does not, its honest costs in throughput, energy and usability, and where the technology stands after fifteen years.
