TLDR Crypto 2022-04-11

NEAR native stablecoin 🪙, Twister Cash 💸, DeFi Q1 recap 💡

Innovation & Launches

NEAR Protocol to launch its native stablecoin USN this month (2 minute read)

NEAR Protocol plans to launch a native algorithmic stablecoin as early as April 20. Near's USN stablecoin will be modeled after Terra's UST. Near has partnered with several well-capitalized stablecoins to offer annual interest rates of around 20%. The protocol will soon be listed on Coinbase.

Ethereum Rollup Arbitrum Releases Major Update (1 minute read)

Arbitrum, an Ethereum rollup, has launched a major update to its tech stack. The Nitro update will halve fees, speed up transactions, and make it easier for native Ethereum apps to interface with Arbitrum. A recent hack on the Ronin sidechain showed the potential vulnerability of sidechains. Unlike sidechains, rollups inherit their security from layer 2 blockchains, making them more secure.

Introducing Twister Cash (4 minute read)

Twister Cash is a fork of Tornado Cash that focuses on the FRAX stablecoin and other tokens in the Frax Finance ecosystem. Tornado Cash is a service for anonymizing ERC20 tokens. Twister Cash is built on top of Arbitrum, a rollup scaling solution on Ethereum. This article looks into the features and innovations that make Twister Cash an extremely ambitious experiment in on-chain privacy.

Super proud to introduce ERC721R: A new ERC721 standard moving the market from rugs to refunds (3 minute read)

ERC721R is a new standard for NFTs that allows buyers to return their NFTs for a refund from the mint contract. Collections are able to decide how large of a refund to allow and for how long the refund period is open. Buyers can request refunds directly through the contract and receive their refunds immediately. Refunded NFTs return to the minter. The standard minimizes the risk of being rugpulled for buyers and it helps sellers appear more trustworthy.
Guides & Resources

Foundry Book (Book)

Foundry is a smart contract development toolchain. It can manage dependencies, run tests, compile and deploy projects, and enable interaction with the chain from the command-line. This book introduces Foundry and teaches readers how to use it to develop, test, and deploy smart contracts.

Frax Stablecoin Backing to Feature Layer 1 Tokens, Real-World Loans (2 minute read)

Frax Finance plans to add other cryptocurrencies, interest-generating tokens, and traditional asset loans to the list of assets backing its FRAX stablecoin. The Frax protocol is partially collateralized by USDC and its governance token, Frax shares. Adding more assets to its protocol will help Frax protect against changes in the market. Terra's Luna Foundation Guard also recently started buying billions worth of cryptocurrency as reserve backing for its UST stablecoin. Frax and Terra recently teamed up to create the 4pool on Curve. The 4pool aims to become the most liquid offering for traders on the DeFi platform.

Here's what happened in DeFi in Quarter 1 2022 (7 minute read)

This Twitter thread summarizes what happened in the world of decentralized finance in the first quarter of this year. It looks at several numbers and metrics around DeFi, the biggest stories and narratives, and things to pay attention to for the next quarter. The thread covers many projects and topics such as exploits, the effect of macro forces, and monitoring cryptocurrency inflow.

Ever wondered how @terra_money's $UST <> $LUNA mint/burn mechanism works? (4 minute read)

This Twitter thread discusses how Terra's UST-LUNA mint/burn mechanism works. During a swap, one token gets burnt while the other gets minted. The market module limits how many new tokens it can mint every day. This deters front-running oracle attacks and ensures off-chain liquidity is larger than on-chain. Every time the system exceeds UST minting capacity, the parameters are adjusted.

A Censorship-Resistant Inflation Index Is Being Built on Chainlink (2 minute read)

Truflation is building a competitor to the Consumer Price Index (CPI) to track inflation independent from the government and in real-time. It looks at current real-market price data rather than survey data to measure inflation. The CPI uses a survey, and the details of the survey are kept hidden from the public. Truflation runs on Chainlink and it is accessible and visible to everyone. It currently shows a 13.2% inflation rate, higher than the 7.9% inflation rate measured by the CPI.
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