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What is DDEX?

Engage in trading both Ethereum and Bitcoin with leverage options reaching up to 5x, while also lending your assets to earn interest. Our API functions similarly to top exchanges like Coinbase and Binance, but as a decentralized platform, it offers unique features: trades are performed directly from your Ethereum wallet. This approach means that authentication does not rely on a traditional API key system; rather, it employs a cryptographic signature method specifically designed for Ethereum blockchain interactions. DDEX keeps your orders active until they are matched with corresponding ones, and upon matching, the transaction is promptly sent to the blockchain for settlement. Due to the implementation of specialized order signatures, DDEX does not control your funds throughout this entire process. It's crucial to understand that actions such as deposits and withdrawals must be initiated by the owner of the private key. On our website, we provide intuitive tools that allow you to carry out these tasks with just a click, enhancing the trading experience to be both seamless and accessible for all users. Furthermore, our platform emphasizes security and user autonomy, guaranteeing that you maintain complete control over your assets at all times, which fosters a more trustworthy trading environment.

What is Coinbase One Card?

Scheduled for a fall 2025 release, the Coinbase One Card will be a credit card that leverages the American Express network, allowing users to earn up to 4% back in Bitcoin on their purchases. The rewards percentage is tied to the user's total assets held on Coinbase, starting at 2% for all users and increasing as their holdings expand. Exclusively available to Coinbase One members, this subscription-based service includes a basic tier. The card, issued by First Electronic Bank and managed through Cardless in partnership with American Express, will offer a variety of exclusive benefits from the Amex network, such as special deals, unique experiences, extended warranties, and travel disruption protections. With a metal design that honors Bitcoin's genesis block, the card aims to appeal to cryptocurrency enthusiasts. It's worth noting that as rewards are awarded in Bitcoin, they will be affected by market volatility, and certain purchases may not qualify for rewards. Ultimately, the Coinbase One Card seeks to elevate the cryptocurrency experience while providing significant incentives for its users, making it a noteworthy addition to the financial landscape. This innovative offering reflects the growing intersection of traditional finance and digital currencies in today's economy.

Media

Media

Integrations Supported

Koinly
Labelcamp

Integrations Supported

Bitcoin
Coinbase
Ethereum
Solana
xRP

API Availability

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

$4.99 per month

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Not specified

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub
Online Training
On-Site Training

Company Facts

Organization Name

DDEX

Date Founded

2017

Company Location

China

Company Website

ddex.io

Company Facts

Organization Name

Coinbase

Date Founded

2012

Company Location

United States

Company Website

www.coinbase.com/creditcard

Categories and Features

Categories and Features

Crypto Credit Cards

Not specified

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