The technical authority for blockchain carbon
Web3 IMPT is the technical-reference site for IMPT's on-chain carbon retirement. ERC-1155 carbon NFT mechanics, Ethereum-mainnet retirement events, Thallo registry routing, smart-contract verification. Written for blockchain engineers and on-chain ESG analysts.
Web3 IMPT covers blockchain carbon credits hotels and on-chain carbon retirement across Ireland. Every booking made via the IMPT platform retires one tonne of UN-verified CO₂ on-chain — about 28× the average per-night hotel footprint — funded entirely from IMPT's commission. Guests pay the standard nightly rate. Live booking on app.impt.io.
Technical reference
How IMPT's on-chain carbon retirement works at the EVM level — token standards, event emissions, retirement semantics.
Reference
Verified contract addresses, proxy patterns, and key function references for the IMPT on-chain stack.
Walkthrough
Step-by-step walkthrough for independently verifying an IMPT booking's on-chain carbon retirement.
Analyst guide
How an on-chain ESG analyst integrates IMPT retirements into a Scope 3 dashboard or DeFi-style sustainability report.
Live availability across 1.7M hotels — same price as booking direct, free cancellation on most stays, the carbon offset is automatic.
Search now →Web3 IMPT is the blockchain carbon credits hotels and on-chain carbon retirement authority site from IMPT, the carbon-neutral hotel-booking platform. 1 tonne of UN-verified CO₂ removed per booking, paid from IMPT's commission — guests pay the standard rate.
1 tonne of UN-verified CO₂ retired on-chain per booking — 28× the average per-night hotel footprint. IMPT funds it from its commission, so the guest pays the standard nightly rate.
No. IMPT funds the carbon offset entirely from its commission. Guests pay the standard nightly rate — same as booking direct or via any major travel site. The carbon retirement happens automatically against the booking ID.
On Ethereum mainnet. Each booking triggers an on-chain retirement of one tonne of UN-verified CO₂, recorded permanently against the booking ID so the same credit cannot be sold or counted twice.
On app.impt.io — that's the live booking flow with real-time availability across 1.7M hotels in 195 countries. The carbon offset is automatic.
IMPT · Hotel booking + carbon offset · 195 countries · 8M hotels