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IDEX

3.6 from 5 votes
Decentralized
Supported coins

Fees

Taker fee

0.2%

Maker fee

0.1%

Withdrawal fee

Funding methods

Wire transfer

Credit card

Other crypto

US investors permitted


IDEX Review

A trading cryptocurrency guide must provide reviews of all of the top crypto exchanges out there, so that you can find the best cryptocurrency exchange site for you. This review of IDEX consists of four parts: general information, fees, deposit methods and security.

General Information

IDEX is a “decentralized exchange”. Decentralized exchanges are becoming increasingly more popular. They are definitely gaining market shares against their centralized counterparts. One decentralized exchange that has grown very big lately and that you should also check out is Mercatox.

IDEX is the first Ethereum based decentralized smart contract exchange to support real-time trading. IDEX claims to be the most advanced Ethereum DEX. It supports limit and market orders, gas-free cancels, and the ability to fill many trades at once.

The exchange consists of a smart contract, a trading engine, and a “transaction processing arbiter”. The smart contract is responsible for storing all assets and executing trade settlement, and the user needs to verify all trades by the user’s private keys.

Unlike most other decentralized exchanges, IDEX has built a smart contract that only allows the exchange to submit signed trades to Ethereum. This enables the exchange to control the order in which transactions are processed, separating the act of trading from final settlement. As users trade, their exchange balances updates in real-time, while simultaneously they use their private keys used to authorize the trade in the contract. This authorization prevents users from rescinding any completed trades, and prevents the exchange from initiating any unauthorized trades.

The exchange does not list US-investors as prohibited from trading, but US-investors should do their own independent assessment of any problems arising from their residency or citizenship.

IDEX Fees

IDEX Trading fees

Every trade occurs between two parties: the maker, whose order exists on the order book prior to the trade, and the taker, who places the order that matches (or “takes”) the maker’s order.

IDEX’s trading fees for takers are 0.20%. This fee is slightly below the global industry average. The global industry average is arguably around 0.25%. IDEX also offers a discount for makers who trade at 0.10%. This is beneficial for the investors who are not interested in picking up existing orders from the order book but rather prefers to “go fishing” with maker-orders.

IDEX Withdrawal fees

We have not been able to find the withdrawal fees (at least not black on white). IDEX writes on its webpage that “when withdrawing tokens the fee amount is calculated using the Token/ETH exchange rate from the last 10 trades.” We have still not been able to exactly determine how to arrive at a withdrawal fee based on that information. Accordingly, we urge you to make your own analysis of the withdrawal fees at IDEX.

Deposit Methods

IDEX does not accept any other deposit method than cryptocurrencies, so new crypto investors can’t actually trade at this exchange. If you don’t have any crypto but want to start trading here, you will first have to purchase cryptocurrencies from another exchange and then, as a second step, deposit them here. You can do this easy though.

Security

IDEX’s security score is F, when performing the test at Observatory by Mozilla (https://observatory.mozilla.org/). This is below industry average when it comes to top crypto exchanges.

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If you have concluded that this is the exchange for you, congratulations! Go for it. But if not, find a better cryptocurrency platform for you by using our revolutionary matching tool.

Good luck!

IDEX compared with other cryptocurrency exchanges
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