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Web3.Swift — MercuryProtocol

Web3.Swift is an open-source Swift library that wraps Web3 and Geth utilities for use in applications, with documented functions for account creation and import, Ethereum transaction creation and encoding, and transaction signing.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Web3.Swift — MercuryProtocol — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when building an iOS app in Swift that needs the account and transaction utility functions shown in the project README.

Who it is for

  • Swift developers building iOS applications that need Ethereum and Geth account utilities.
  • Teams adding transaction encoding or signing building blocks to an application.

Documented uses

  • Create or import an account and manage a Geth-based account keystore.
  • Create and encode an Ethereum transaction function, such as a token transfer call.
  • Sign encoded transaction function data using supplied transaction parameters.
Before you choose

Requirements & limits

The project is published as a public GitHub repository under the MIT license.

  • The README lists iOS 9.0+, Xcode 9.2+ and Swift 4.0.0 as requirements.
  • The documented dependency setup uses CocoaPods and the repository's master branch.
  • Geth's lack of bitcode support means the README instructs developers to turn bitcode off.
  • The README identifies complete documentation as unfinished and additional features as work in progress.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Add Web3.Swift to an iOS project with CocoaPods

Declare the library as a CocoaPods dependency and install it in an Xcode project.

Before you start

  • iOS target set to 9.0 or later
  • Xcode 9.2 or later
  • Swift 4.0.0
  • CocoaPods; the README specifies CocoaPods 1.1+ for building web3swift 4.0+

Steps

  1. Add the documented CocoaPods source and iOS platform declaration to the Podfile.

  2. Within the target block, enable frameworks and declare web3swift from the MercuryProtocol Git repository on the master branch.

  3. Run pod install.

Expected outcome

The README's documented dependency setup for integrating web3swift into an Xcode project is in place.

Guide limitations

  • The README says bitcode support must be disabled because Geth does not support bitcode.
  • For iOS simulator compilation, the README notes that arm7 may need to be removed from valid architectures.
  • The README marks complete documentation as unfinished.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
16 October 2026
Original website title
MercuryProtocol/web3.swift · Official homepage title · retained in its source language
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