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Everchain SDK — coin integration hub for non-custodial wallets

Introduction

While we were integrating coins and tokens into several wallets in the creation and support of which we have been participating, we realized the need to simplify this process.

Coin integration takes up not only developers’ time that they could dedicate to wallet development, but also wallet budget. Thus, we came to an idea of a product in which coins and tokens are already integrated into it. And to use all or some coins wallet just needs to integrate one API that provides all basic user stories as if wallet integrated these coins by itself.

What is the Everchain SDK?

Everchain SDK API enables you to integrate any coins from the pack without the integration with every blockchain (including integration with nodes and block explorers). Inside the wallet, processes related to coins occur the way they would work if the wallet integrated coins with its resources – currency address creation, balance display, history display, transaction signing with the private key and transaction sending.

It all happens with only one difference – through our Everchain SDK API. All business processes with various blockchains occur inside the SDK. You won’t need to plunge into every blockchain features and handle all changes and problems that happen in blockchains.

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About Technologies

Everchain SDK is a library that is integrated into your wallet and allows your UI to interact with nodes and block explorers of different blockchains.

The SDK library is developed in JavaScript and it works without a backend. The SDK must be included in the Front-end part of your web application. Private keys are not transferred to a third-party server and are stored only on the user's device.

Node and block explorers URLs are already included in the Everchain SDK, the default transaction fee for each currency is shown to the end-user. He can change it as he wishes.

We have already integrated 47 coins and we promise there are more to come. Here is the full list of all coins and tokens:
AYA, BEP-2 tokens, BNB, BTC, BCH, BTG, BSV, BTH, CLO, ADA, ATOM, DASH, DCR, DGB, DOGE, EOS, ELA, ETH, ERC20 tokens, ETC, EXP, GRS, NLG, ZEN, JOYS, KIN, KMD, LSK, LTC, XLM, XMR, XEM, NEO, ONT, QTUM, RVN, RDD, ROPSTEN, TRX, USDT token, XTZ, UBQ, VET, XVG, VTC, WAVES, XRP, YEC, XZC, ZEC.

A wallet can integrate all these coins at once as well as coin by coin. It all depends on the client’s wishes.

What Wallet Can Do With The Coins From The Everchain SDK?

All coins and tokens integrated into the Everchain SDK has all basic user stories:

  • Create currency address (only coins)
  • Get balance
  • Get history
  • Sign with the private key
  • Send transaction

Are There Any Product Usage Examples?

Atomic Wallet and Guarda Wallet are powered by the Everchai SDK.

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