Resolvio Blog

Web3 Identity &
Name Resolution

Developer guides, deep dives, and tutorials on ENS, on-chain identity, and the Resolvio API.

8Articles
20Topics
6mAvg. read
ENSReverse Resolution

Reverse ENS Resolution: From Wallet Address to Human-Readable Name

Reverse resolution turns 0xd8dA... into vitalik.eth. Here's how it works under the hood, how to set your primary ENS name, and how to query it via API.

·5 min read
ENSMulti-Chain

Multi-Chain ENS Resolution: Resolve Names Across 100+ Blockchains

An ENS name can hold addresses for Bitcoin, Solana, Optimism, Base, and 100+ other chains. Here's how ENSIP-9 works and how to query cross-chain addresses with the Resolvio API.

·6 min read
AI AgentsENS

How AI Agents Use ENS Names for On-Chain Identity

AI agents need to understand who they're talking to onchain. ENS names provide the identity layer — and Resolvio makes them accessible to any agent that can make an HTTP request.

·6 min read
ENSDNS

ENS vs DNS: Web3 Naming Systems Compared

ENS and DNS both map human-readable names to addresses, but the similarities end there. Here's a clear technical comparison for developers building on the web and Web3.

·7 min read
ENSAPI

Bulk ENS Resolution: Look Up Multiple Names in One Request

Fetching ENS names one by one for a leaderboard or transaction feed is slow. Resolvio's bulk endpoints let you resolve multiple names in a single request.

·5 min read
ENSSubnames

ENS Subnames Explained: Building Identity Systems on Ethereum

ENS subnames let protocols issue human-readable names like alice.yourapp.eth to users. Here's how they work — and how to resolve them without writing resolver code.

·8 min read
ENSAPI

Resolve ENS Names via REST API — No Web3 Library Required

Skip the ethers.js overhead. Resolve ENS names to addresses, avatars, and text records with a single HTTP GET request using the Resolvio API.

·6 min read
ENSEthereum

What is ENS? A Developer's Complete Guide to Ethereum Name Service

ENS turns cryptographic wallet addresses into human-readable names like vitalik.eth. Here's everything a developer needs to know about how it works under the hood.

·7 min read