What Is AdEx Coin (ADX)?


AdEx Coin is a blockchain-based marketplace for ads that aims to change the existing online advertising landscape and solve its major problems: ad fraud, privacy and consent to receive sponsored messages, etc.

AdEx is fully transparent and built on the Ethereum Smart Contracts.

AdEx Coin – The Company

The company offers advertisers an advertising platform that is safe, transparent and beneficial for all parties involved in the process.

The AdEx network has several layers: the first layer consists of the Ad Exchange, which is based on the Ethereum Smart Contracts, with some solutions for an additional layer that can work on top of it.

Ad Börse is designed to facilitate the entire relationship between publishers, advertisers and end users, replacing the common network of multiple exchanges, SSPs and DSPs, as well as the complexity, inaccuracy and inefficiency associated with it.

On the stock exchange, dApps is building dApps for the publisher portal, the advertiser portal and the AdEx profile for end users. dApps are distributive applications that connect to and interact with the Ethereum Blockchain, but typically with a user-friendly interface.

All these dApps will be browser-based and easily accessible online and will be hosted by AdEx.

Since the dApps interact directly with the block chain, each can execute its own instance.

AdEx Coin – The Cryptocurrency

Within the AdEx ecosystem, the AdEx Coin is used internally to buy or sell advertising space and time.

Advertisers can create ads and then place bids for them and set the bid in the ADX token.

Advertisers can bid for a certain number of impressions, clicks or conversions, e. g. subscriptions, purchases, etc…

As soon as the publisher accepts a bid, the token is frozen until the publisher proves that they have completed the target.

When this happens, the token is transferred to the publisher’s balance. Certain actions within the network would be stimulated by the creation of additional tokens that are received by anyone who has committed this action.

This will ensure slow on-demand token inflation so that there is enough to keep the network healthy and usable.


The AdEx team is building the next generation of the online ad exchange based on blockchain technology.

The aim is to provide a more efficient, intuitive and transparent advertising platform.

A further goal is to renew the existing online advertising landscape and overcome the associated problems such as ad fraud, privacy and consent to receiving sponsored messages and the rise of ad blockers.

With the digital development of all other advertising media and the inclusion of nearly 40% of global marketing and advertising expenditure in 2017, the company sees the need for innovation in this area.

It believes it can serve advertisers and publishers with a platform that is safe, transparent and beneficial to all parties involved in the process, including consumers who have been left out of existing advertising networks.

Their expertise in software development, blockchain and cryptocurrency, video streaming and online advertising give them confidence in creating an ad exchange that is superior to any previous global solution.

  • How to buy it?
  • Where to store it?

You can’t buy it directly for fiat on any exchange. You can choose the best BTC exchange for your region and buy BTC there, then trade it for ADX on exchanges. Read here how you can quickly convert other coins to bitcoin and the other way around.

Our recommendation is always check if Coinbase is available for your country and buy there – as it is by far the safest and best regulated bitcoin exchange. Coinbase has acceptable fees and limits and it is a leading platform for buying BTC.

If Coinbase doesn’t support your country, use Cex.io – read how Cex.io works – it is as good or even better than Coinbase. Coinmama is also legit exchange for buying cryptocurrenciesclick here to visit Coinmama.

If your country is not available on Coinbase – check for best Coinbase alternatives (such as Cexio and Indacoin – see here Indacoin exchange review) and buy BTC on one of those exchanges. You can always exchange your coins on Changelly (see if Changelly is secure place to buy crypto), instantly and directly to bitcoin.

Best and safest option to store your coins is to download an official coin wallet and store it on a hardware wallet – our recommendation is just go and buy Ledger Nano S, it is the safest option.You can read our article on how to use Ledger Nano S wallet and where to buy it or check out other best hardware crypto wallets here. You can also create a paper wallet – learn here more about cryptocurrency wallets.

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Rene Peters
Rene Peters

Rene Peters is editor-in-chief of CaptainAltcoin and is responsible for editorial planning and business development. After his training as an accountant, he studied diplomacy and economics and held various positions in one of the management consultancies and in couple of digital marketing agencies. He is particularly interested in the long-term implications of blockchain technology for politics, society and the economy.

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