Embedded Wallets


Xellar has introduced an upgrade version of our Embedded Wallets, Version V2 as of 24 June 2024. V2 has multi-chain capability, refresh token and an upgraded encryption system. See below for more details.


Updated 24 June 2024

  • Multi-chain capability
  • Refresh Token
  • Upgraded Encryption System
  • Change file name

Refresh Token & Wallet Token

Using the refreshToken, you can get a new walletToken without the need to re-authenticate the user. The walletToken is used to authenticate the user's wallet actions, and it will be expired directly after one wallet operation is executed

By default the walletToken will be expired after 1 minute, and the refreshToken will be expired after 7 days.

Multi-chain Capability

The V2 Embedded Wallets support multiple chains including :

  • Ethereum
  • Binance Smart Chain
  • Polygon
  • Avalanche
  • Fantom
  • Arbitrum
  • Optimism
  • Solana
  • Tron
  • Bitcoin
  • Immutable zkEVM
  • OKX X-Layer
  • Lisk

more to come


  • EVM Compatible
  • Basic Auth