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Envelop is a flexible cross-chain tool set able to give any NFT new functionality (economic set-up, on-chain royalties, rental mechanism, time/value/event-locks), protection of devaluation and anti-fraud system. Thus, the protocol allows you to create NFT2.0


Envelop consists of three parts:

  • Protocol to add the digital assets inside NFTs and set on-chain royalties;
  • Oracle to score the collateral and assess the quality of assets inside NFTs;
  • Index to hedge the position to whole NFT market — becomes one of the first decentralized and collateralized simultaneously market indices for NFT and related assets.


The Envelop protocol is currently deployed on the following blockchains:

  • Ethereum
  • Polygon
  • BNB SmartChain
  • Arbitrum
  • OKT Chain
  • Aurora
  • Avalanche
  • NEAR
  • WAX
  • Zilliqa
  • Harmony testnet
  • Evmos testnet
  • GateChain testnet

Envelop's features

Envelop supports ERC-721 and ERC-1155. Protocol provides NFTs such features as:

  • add collateral (native coins, ERC-20 tokens, NFTs) to 25 slots;
  • onchain royalty & multi-royalty;
  • revenue sharing;
  • mint updatable non-transferable soulbound tokens (SBTs)


  1. https://envelop.is/
  2. https://docs.envelop.is/