SEXP: a Tezos-based Synthetic Exchange

SEXP: a Tezos-based Synthetic Exchange

By Allen Walters | Publish0x posts | 27 Jan 2021


This article was first published on XTZ.news. For all Tezos news you can follow me here, or follow @XTZNews on twitter for more content.

While still in heavy development, the decentralized exchange that will go by the name of SEXP (Synthetic Exchange Project) is expected to launch in Q1 of 2021. We all know how these launch dates can delay, so Q1 is not set in stone, but this sure is another event to look forward to.
As the name reveals, the exchange will provide a decentralized solution for trading synthetics. When trading synthetics, you do not hold the actual asset that you want to profit from. A synthetic is a financial product that can derive profit from the actual asset. There is a big diversity of synthetic variations. So without diving too deep into the rabbithole, let's focus on a type of synthetic that is already being used in synthetic exchanges on blockchain. It is a synthetic that is a perfect fit. These synthetics are basically contracts between two parties that both bet on the opposite outcome of the value of an asset and then split the difference in profit/ loss. The actual asset is not purchased in this contract. Both parties simply bet on the opposite future value appreciation.

Example: Alice and John both send $100 value to a contract, totaling the value in the contract on $200. Alice and John decided that the contract entails a BTC - USD value contract. This means that Alice bets that the BTC price goes up and John bets that the BTC price goes down (and that USD value is the safe bet). The period for which the bet is closed is decided on in advance. Since this is a synthetic, no actual BTC is bought. All they do, is take the current USD price of BTC as starting point in the contract.
If the value of BTC has gone up 20% in the set period of the bet, Alice should now have $120 in value and John still has $100 in value. As agreed on, they split the difference: which means that Alice earns half of $20, which is paid by John. This means that John will get $90 back instead of $100, and Alice will get $110 back. Simple as that. This is how you speculate on BTC value, without the need to buy BTC.

In the opposite situation, if BCT goes down 20%, Alice's value results will be $80 and Johns value will be $100. Alice will get $90 out of the contract and John the remaining $110.

Why, synthetics you ask?
First reason is to reduce risk. Since you split the difference, your losses will be cut in half.
Second reason lays in the fact that you don't actually need to purchase the asset. This could be interesting if you want to invest in assets that have very low liquidity, are hard to transact or are simply not available to trade.

Why is this a game changer on blockchain?
Without decentralized blockchain, synthetics are only enforceable by legal constructions. What else will guarantee that the counterparty pays, if you can't legally claim your take. This means that it is expensive to set up these financial products. It's a game primarily played by institutional players like banks and investment frims.
Legal constructions, bring pricy middlemen. Through decentralized smartcontracts, we can cut out these middle men. These traditionally expensive contracts, now are diminished to a transaction fee on a blockchain. Tezos' transaction fees are on average 3,000 times cheaper than transaction fees Ethereum and 40 times cheaper than on Cardano.
Second point is accessibility. Traditionally only bigger player had access, but through decentralized exchanges on blockchain, anyone with access to the internet will be able to have access to synthetic investments.

No wrapped/ tokenized assets
The different approach has another advantage. The fact that through synthetics, since you don't actually buy the asset, anything can be traded on blockchain without the need for wrapped or tokenized assets. As long as you have an oracle that updates values for the asset that is part of the contract, sky is the limit. You could have a synthetic for Apple or Tesla if the oracle can update values for the smartcontract.

SEXP
SEXP will run fully on components of the Tezos ecosystem. SEXP will make use of Harbinger, which is an oracle build on Tezos, and utilizes Tezos staking rewards to provide a fully free service. Harbinger has no utility token, just free price feeds. SEXP will also integrate Kolibri, which is a Stablecoin that is about to go live on Tezos. Using both native applications, means that transaction costs are minimized.
Michelson is used for smart contracts, the token standard will be FA2, and the web app is going to work with all wallets that support Beacon.

Over all, a very exciting project and complimentary to the components that are currently live in the fast growing Tezos mainnet DeFi ecosystem:
- DEXter (Decentralized exchange)
- Atomex (Hybrid DEX and HD wallet providing atomic swaps)
- USDtz (Tezos-based stablecoin)
- ETHtz (Wrapped ETH on Tezos)
- tzBTC (Wrapped BTC on Tezos)
- Kaiko (Oracle)
- Harbinger (Oracle)

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Allen Walters
Allen Walters

Fascinated by blockchain and future proofing cryptocurrency. Discover the tech before it gets relevant. Twitter: @IgnoranceIt


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