0x ($ZRX) Guide and Review: The Future of Cryptocurrency Exchanges?


0x ($ZRX) is an open protocol for developers to build their own decentralised cryptocurrency exchanges on the Ethereum blockchain. 0x came about as an answer to the problems inherent in centralised exchanges (CEX) and decentralised exchanges (DEX). For CEXs, approximately USD $1.1 billion has already been lost through security breaches on these platforms. Thus cryptocurrency enthusiasts have become wary for fear of losing their funds. Decentralised exchanges were meant to be an answer to this, but they have also issues of increased friction and increasing transaction costs. In this guide, we will explore what 0x is already offering in today’s market, and take a look at their recently released version 3 of the protocol.

0x ($ZRX) Background

0x is a brainchild of its CTO, Amir Bandeali, and its CEO, Will Warren. Other key individuals behind the project include their blockchain engineers, product designers, researchers, and business strategists. They also have a strong list of advisors including Fred Ehrsam, Co-founder of Coinbase and David Sacks, former COO of PayPal.

What is 0x?

0x is a protocol built on the Ethereum blockchain to create and power decentralized exchanges. Its aim is to be interfaced with other systems to power high-end decentralized applications (dapps).

The protocol seeks to inspire the movement of assets across the financial sector by eliminating third parties that have been making the process complicated and costly. The presence of smart contracts has also helped push third parties further to oblivion.

The advent of DEXs comes to safeguard users’ funds and prevent government censorship. These exchanges place the security of users’ funds onto the users themselves instead of trusting centralized platforms, which are prone to hacks.

Due to the Bitcoin blockchain scalability issues and lack of smart contract flexibility, dapp developers have flocked to Ethereum to build decentralized solutions such as exchanges. Unfortunately, with everyone looking to build a specialized dapp, Ethereum has been flooded with applications that cannot communicate well with each other.

Furthermore, these applications have varying degrees of security and quality. 0x came to solve this user fragmentation issue, as well as reduce the cost of using dapps.

How does 0x work?

Although it is built on top of Ethereum, its orders are dealt with off-chain as relayers are used to match the orders. The orders are only uploaded on the Ethereum blockchain after the process is complete. Off-chain signing reduces the amount of gas used in a particular transaction while also reducing the load on the main chain.

A relayer on the platform can be thought of as a decentralized exchange that has both public and private order books. Orders are broadcasted through these order books to make a suitable match.

Apart from reducing the gas fees involved, this approach also allows users to have control over their funds. An important feature of a relayer is that it only facilitates but does not conduct trades.

To allow this, the relayer needs to be supplied with the order maker’s signature, which is then delivered to the DEX’s smart contract. Relayers are rewarded using the protocol’s native token, ZRX, though this has been changed along with several other features in version 3 of 0x.

0x version 3: A new protocol with enhanced features

In August 2020, the decentralized protocol released a new version 3 that enables users to develop a more interconnected DeFi ecosystem. There are 3 major upgrades in this new version: staking ZRX tokens, liquidity bridges and flexible fees.

0x staking features

Version 3 of 0x introduced a staking mechanism which allows trading fees to be accepted in any token. Market makers that provide liquidity are seen as crucial for 0x’s long-term growth since they bring in liquidity. Hence a new staking feature was introduced whereby market makers on 0x are given monetary rewards. This means that any ZRX holder can join a market maker’s staking pool and be entitled to a share of the liquidity rewards. Meanwhile, it is in the best interests of the market maker to entice stakers to join their pool because it increases their potential liquidity rewards payouts and their voting power on governance issues since stakers are required to delegate half their voting power to the market maker.

Liquidity bridges

Liquidity bridges is an exciting upgrade for decentralised finance (DeFi) developers who are building dapps that will benefit from accessing more liquidity. This is because the feature will enable them to source liquidity not only from the 0x network itself, but other DEXs such as UniSwap or Kyber from a single point of integration, known as 0x API (more on that below). In short, allowing users access to liquidity in other DEXs, thereby ensuring that orders are being filled to reach higher volumes, and thus attracting even more users onto the platform.

Flexible fees for Relayers

Previously, 0x only allowed Relayers to receive fees in ZRX only. This was problematic because sometimes Relayers may not want to receive fees in ZRX. It also led to a poor experience for Relayers since it created more additional steps in DEX trading, for example one of the largest 0x DEXs by volume didn’t have fees. And there is speculation that this is because of the limited ways in which fees could be paid out. This has been fixed in version 3, where Relayers can choose to have their fees paid in any Ethereum-based token or even in the token currently being traded.

ZRX Token: What is it?

The ZRX token is built based on Ethereum’s ERC-20 standard. Apart from being used to pay relayers for facilitating trades, it is also utilized for governance on the 0x protocol. In line with this, the amount of ZRX held determines the power a governor has when contributing to governance issues such as protocol upgrades.

The ZRX token supply is hard-capped at one billion. During its launch in 2017, half of the tokens were released and distributed to developers (15%), 0x (15%), founding team (10%), and advisors (10%).

ZRX is listed on Binance, Coinbase, Huobi, HitBTC, and other leading exchanges. For storage, the token is supported by Ledger (both the Nano X and Nano S), Enjin, Exodus, and any other cryptocurrency wallets primed for ERC-20 tokens.

As mentioned above, the 0x team has recently introduced staking features for ZRX which gives more incentives for both liquidity providing market makers and ZRX holders.

Other products powered by 0x

0x has a whole suite of products aside from its open protocol. These are:

·         0x Instant– This offers a way to buy cryptocurrency on any app or website.

·         0x mesh – Allows access to a global P2P order book for tokens.

·         0x API – Can be used to accumulate liquidity from platforms built on the protocol such as UniSwap, and Mesh. It can also be used to swap tokens based on price.

·         Matcha – A platform to find the best prices across exchange networks.

·         0x Extensions – For use with relayers to incorporate new trading types.

·         0x OTC – This is a consumer-based exchange that allows for a P2P exchange of ETH tokens without a relayer. Unlike the other P2P exchanges, 0x OTC enables the seller to send a link to the buyer on any platform, including social media, and its results are recorded on the Ethereum blockchain.

Even with numerous advantages, the protocol uses multi-signature smart contracts that could be exploited since they are still based on code. Also, since the DEXes are still a work in progress, they may not have the liquidity needed to fill orders for lesser-known tokens.

0x Review Conclusion

As blockchain technology matures, so should the applications run on top of it. However, as more dapps flood the scene, we need a standard quality and security setting to ensure that these systems operate as they are intended. Thankfully, with 0x, the standard is already set.

Furthermore, dapp developers also need to embrace the system for users to benefit from low transaction fees.

The 0x protocol can be used in prediction markets such as sports betting, which require untampered results of outcomes of physical events.

The platform’s vast use cases are also capable of bringing real change in the decentralized world while leveraging off-chain mechanisms to drastically enhance scalability.

More educational guides for DeFi & Staking, DeFi Network and Protocol Reviews and DeFi Token Reviews.

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