Cross-platform Trading

Sending.Network (SDN) is an open, secure Web3 communications protocol that powers decentralized user interactions, enabling users to chat, trade and socialize seamlessly within and across applications and platforms. Sending.Network creates interoperability between games, bringing natural liquidity and utility to in-game assets. Sending.Network facilitates the circulation of in-game assets and enhances the value of NFTs and game tokens.
The below use case describes how Sending.Network help extends trading and player interaction across platforms and facilitates the deal.

Use Case Name

Cross-platform trade and negotiation.


  1. 1.
    Game A
  2. 2.
    Player Alice
  3. 3.
    Game B
  4. 4.
    Player Bob
  5. 5.
    Sending.Network protocol


  1. 1.
    Game A has integrated the Sending.Network protocol.
  2. 2.
    Game B has integrated the Sending.Network protocol.

Basic Flow of Events

  1. 1.
    The use case begins when Alice lists an NFT game item for sale in Game A.
  2. 2.
    In Game A, Alice contacts her friend Bob who is playing Game B.
  3. 3.
    Game A calls the Sending.Network messaging API and forward the message to Bob in Game B.
  4. 4.
    In Game B, Bob negotiates the price with Alice and agrees on the deal.
  5. 5.
    In Game B, Bob creates a Peer Swap transaction with the agreed NFT and tokens and signs the transaction.
  6. 6.
    Game B calls the Sending.Network extensible trading API.
  7. 7.
    In Game A, Alice receives and signs the Peer Swap transaction.
  8. 8.
    Alice’s wallet has the NFT item transferred out, and tokens in. Meanwhile, Bob’s wallet has the NFT item transferred in, and tokens out.
  9. 9.
    The use case ends successfully.


Alice and Bob successfully exchange the NFT game item and tokens across two game platforms.