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Therefore, it is an entirely trustless system that is tamper-proof and prevents backdoor manipulation. Against their anticipation, the crypto market continued to sell-off. It was further accelerated by FUD that UST wouldn’t hold the peg. Their liquidation for LUNA and further conversion to other stablecoins sigrsv as USDT and USDC exposed a major fundamental flaw in UST and LUNA. The third form of stablecoins are decentralized, crypto-backed, and algorithmic. This form of stablecoin is significantly different from the two previously mentioned and require more detail to appreciate the differences.

Circle, the issuer of USDC, does the same and publishes its audit reports for the public to assess. Over the years, USDT has grown to be the largest by market cap, topping over $83 billion in May 2022. Currently, trackers show that USDT has a market cap of around $74 billion, a reduction partly due to the FUD around UST and fears that it could be the next, wreaking havoc in the sphere. The only problem is that the UST was tied to the performance of LUNA. According to how the UST algo functioned, every $1 of UST could be converted for the same amount in LUNA.

  • The Terra ecosystem, however, exists on its own proof-of-stake blockchain for the purpose of maintaining UST’s value.
  • Via smart contracts, people can hold USD that is backed by ERG and earn commission fees by locking their ERG as reserve capital.
  • EIP37 Hard Fork After the Ethereum Merge, the crypto mining industry witnessed an impressive reorientation of hashing power across several Proof o…
  • Ever since, it has been an exciting journey where life-long friendships have been forged, and careers made and strengthened.
  • Many are still guided by the original guiding principles propositioned by Satoshi, revolving around decentralization, security, and financial inclusion.

Firstly, the stablecoin is entirely on-chain and non-custodial. This means that a team of developers does not control it and there is no sole representative like in the case of UST. Stablecoins are an essential part of the rise of cryptocurrencies.

What is SigmaRSV (SIGRSV)?

It also calculates the value of SigRSV by accounting for the total number of ERG in the reserve, the number of SigRSV in circulation, and the price of ERG. IOHK, Ergo, and Emurgo designed the economic model of SigmaUSD. Its economic model maintains the conservative settings for collateral reserves and avoids the need for liquidations. Along with that, it supports a fully decentralised stablecoin emission setup.

A crash of this scale should strike at least a little fear in everyone with a pulse! However, as it always is, the antidote to this fear is education. If you want to trust a stablecoin protocol, you need to understand how it works and, most importantly, how it is fundamentally different from UST. The entire control of the stablecoin is encoded on a smart contract and recorded on the blockchain.


Thus, SigmaUSD sets out to offer the world a stable, simple, and decentralised stablecoin.Reserve Providers submit Ergs to the dApp’s reserves and by doing so mint ReserveCoins . Each SigmaRSV represent a portion of the underlying Erg reserves held in the dApp.SigmaUSD Users also submit Ergs to the dApp reserves; however, in their case, they mint SigmaUSD instead. This is only allowed by the protocol if there are sufficient reserves within the dApp . By redeeming their ReserveCoins, they profit as they receive more underlying reserve cryptocurrency than when they minted their ReserveCoins .

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The AgeUSD protocol will give a boost to the upcoming ErgoDEX release by providing USD liquidity. With the introduction of SigRSV-SigUSD pairs, liquidity on theDEX will balance itself with the AgeUSD protocol. As usage increases, this will affect both ErgoDEX and the AgeUSD protocol in a mutually beneficial way, creating a sustainably flourishing environment for new projects. At that point, the “life cycle” of SigUSD, or the number of trades between minting and redemption may be important. This metric will be something to watch and track if you are interested in the value of SigRSV after the DEX launches.

However, a little imagination and critical thinking can bring you to understand the true systemic risk of UST and the Terra ecosystem. Seigniorage is much less common; it has historically been defined as the profit that governments can make by printing money. More simply, seigniorage is the value that can be captured when the cost for printing new money is less than the accepted value of that note. For example, the US government will pay far less than $100 to mint a $100 bill, and so creates value for itself in the process.


This pool has two funding sources, people trading ERG for SigUSD and people trading ERG for the reserve token, SigRSV. This pool of ERG functions to over-collateralize the stable asset, SigUSD, and absorb ERG’s volatility. This balance is maintained by the smart contract that calculates the value of SigRSV by auditing the total number of ERG in reserve and in circulation. Thus the risk of market volatility shifts to SigRSV holders as they can only redeem their tokens when the reserve ratio is above 400%.

These tokens were supposed to shore UST, acting as a second safety net if LUNA prices continue to dump. The task of reserve management was bestowed on the LUNA Foundation Guard . Understandably, its creators had a grand vision for pushing crypto adoption through synthetic stablecoins that track the value of some of the world’s leading fiat currencies. Second are the algorithmic, seigniorage stable coins, like UST, that have no secured collateral. Contracting money supply, all conditions held equal, will result in higher relative currency price levels.

That is, decentralization and a conservative monetary policy really matter. All it took from there was a large sell order and UST began to lose its peg. Consumer confidence waned, nobody wanted to get caught holding the bag, and the world began to sell. Luna’s price tanked from $85 to less than $0.01 in a week, and UST remains at a very unstable $0.08. This is an enormous blow to the confidence of average investors and an obvious point of contention for government regulators. SigmaUSD is fundamentally different from existing stablecoins and has maintained its $1 peg continuously, unlike the UST token that was tied to the supply and value of the Luna token.

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One can hope that cryptocurrencies work as they are advertised and designed. Many are still guided by the original guiding principles propositioned by Satoshi, revolving around decentralization, security, and financial inclusion. Terra had a plan, but observers https://cryptolisting.org/ said the launch of the UST steered them from their original virtuous path. If you have been paying any attention to the world of cryptocurrency, odds are that you have heard about UST losing its peg and the Luna token crashing to less than $0.001.


TokenJay provides an EIP-21compliant tokens verifier API that you can integrate into your apps. Different people are developing different dApps and use cases, formally and informally. Connecting them to the same users and building that all-important DeFi network effect isn’t always easy. However, as a decentralised and community-powered platform, it’s not always easy to know what’s going on all the time. Mix SigUSD or SigRSV in ErgoMixer, the first non-custodial, non-interactive miner in the cryptocurrency space.


SigmaUSD is also coded using an algorithm that ensures that the stablecoin is over-collateralized by 400% and 800%. These rules are coded in the smart contract and are an effective means of maintaining the dollar peg. This is achieved by allowing users to mint SigUSD when the reserve ratio is above 400% and SigRSV when it is below the reserve ratio. However, the fall of UST has brought about major concerns in these forms of stablecoins as the delicate arbitrage system deployed by Terra failed. As a result, a search has begun for the best working decentralized and algorithmic stablecoin. SigmaUSD, a stablecoin protocol on the Ergo blockchain, provides an excellent alternative for users to reserve value.

First is the centralized, paper backed stablecoin like USDC or USDT. These coins hold their value because a central entity is supposed to hold the full value of the tokens they issue. Circle and Tether claim to hold over $120 billion in cash, commercial paper, and government debt that represents the entire value of their stablecoin market caps. Following the UST — Luna fiasco, SigmaUSD looks poised to become the stablecoin that the crypto industry needs.

The ERG is funded by ERG-SigmaUSD traders and those trading ERG for the reserve token, SigRSV. The value of SigRSV is calculated by factoring in the total number of ERG in reserve, the circulating supply of SigRSV, and the spot rates of ERG. The ERG pool is designed to stabilize SigUSD at any time and absorb ERG’s volatility due to the overcollateralized ratio. Since launch, the stablecoin has successfully maintained its peg to the USD despite the crypto bear market, which saw the prices of ERG drop from $19 to $2. Means that there is a reserve being held to give SigUSD its value.

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This is achieved by locking the reserve tokens to protect the pegged value. This has been seen in the 12 March Collapse of MakerDAO where ETH went on sale for as low as 0 dollars. In a previous blog post, we covered how to use Ergo Utils to mint NFT’s and new tokens. For this article, we will explore how users can interact with the first algorithmic crypto-backed stablecoin, SigUSD. The SigUSD token is based on the AgeUSD protocol and users can mint either SigUSD or SigRSV – where both coins are backed by the ERG token.