• Breaking News

    Friday, October 15, 2021

    Ethereum [AMA] We’re Matter Labs, the team behind zkSync, the first EVM-Compatible ZK Rollup, powered by our zkEVM.

    Ethereum [AMA] We’re Matter Labs, the team behind zkSync, the first EVM-Compatible ZK Rollup, powered by our zkEVM.


    [AMA] We’re Matter Labs, the team behind zkSync, the first EVM-Compatible ZK Rollup, powered by our zkEVM.

    Posted: 15 Oct 2021 08:00 AM PDT

    We just migrated the first Solidity dApp to the zkSync 2.0 testnet.

    UniSync Demo: https://uni.zksync.io/

    Demo Announcement: https://medium.com/matter-labs/unisync-a-port-of-uniswap-v2-on-the-zkevm-b12954748504

    zkEVM FAQ: https://zksync.io/zkevm/

    Team Members: /u/astarinmymind, /u/gluk64, /u/stanbreadless, /u/codingllama

    The team will be answering questions throughout the day!

    submitted by /u/astarinmymind
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    Steam is removing NFT games from the platform

    Posted: 15 Oct 2021 11:17 AM PDT

    Andrew Yang on the Bankless podcast: "If you face a trillion dollar industry that could define the future, don't screw it up!"

    Posted: 15 Oct 2021 02:48 AM PDT

    EIP-4345: Difficulty Bomb Delay to June 2022

    Posted: 15 Oct 2021 12:56 PM PDT

    Ethereum is deflationary?

    Posted: 15 Oct 2021 07:36 PM PDT

    I read more than once that Eth is turning deflationary once shifting to POS , can someone please explain how can it be deflationary when it has unlimited supply capped at 18 mil eth per year ?

    I understand there is a burn but does the burn value exceed the annually created Eth ?

    Also , i understand that POS won't need miners does that mean no more 18 mill eth per year or they will still be created nonetheless and maybe go as a stake rewards to validators ?

    submitted by /u/hSakr7
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    BlockFi vs Celsius vs Nexo from security perspective

    Posted: 15 Oct 2021 10:26 AM PDT

    Hi r/ethereum!

    If you had to pick one, and the criteria is solely security of your assets, which one of these would you pick and why?

    submitted by /u/BusinessBreakfast3
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    Amphora: A Major Merge Milestone - Tim Beiko

    Posted: 15 Oct 2021 06:30 AM PDT

    Can ethereum ever get to 100k?

    Posted: 15 Oct 2021 04:11 PM PDT

    Major Luxury Fashion Brands Are Wooing The 2 Trillion+ Crypto Market

    Posted: 15 Oct 2021 12:12 PM PDT

    Storing arbitrary data on chain?

    Posted: 15 Oct 2021 12:49 PM PDT

    Hey so say I wanted to make an app with one use case. I want a wallet to be a source of encrypted information rather than index of money. For example but not limited to, maybe something like my SSN, credit card numbers, bank info, etc.

    Is this possible with ethereum, L1/L2/Side-chain is okay as long as I don't lose any security?

    Does there exist any documentation on how I would do something like this?

    I don't care if writing the data takes gas, but I should be able to read the data freely as long as I have my private key.

    Ive read that having encrypted data exposed publicly like this could be a security risk? Is this true, if so what is the risk?

    submitted by /u/versaceblues
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    Dear Ethereum (ETH) Crypto Fans, Mark Your Calendars for Oct. 27

    Posted: 15 Oct 2021 04:34 AM PDT

    ⟠ Latest Week in Ethereum News!

    Posted: 15 Oct 2021 07:09 PM PDT

    Hi! I'm crator of [Base 64 ART] - art with {private} and {public} part. Includes a unique code that can be decoded into an extra hidden picture. I had a new drop today and crated a video about it. Take a look, hope you will like it. (Stay tune in on twitter.com/base64art/)

    Posted: 15 Oct 2021 06:24 PM PDT

    Some concerns

    Posted: 15 Oct 2021 05:58 PM PDT

    Hello fellow friends. Im a crypto enthusiast and have more experience on other blockchains. However i would like to learn more of ethereum.

    To me it's concerning the gas prices, sometimes even reaching prices worth $80 for a transaction that is worth $5. I've heard the new updates and the change to Proof Of Stake will address this problem. Is it true? And how? Also, if i have another ERC-20 token, do i need to have Eth as well to pay gas?

    Those are my two main questions/concerns. If you could help me clear this i would appriciate it. And dont get me wrong, i think Ethereum is a phenomenal/innovative platform. It's just that there are a few things that stop me from using it. Thanks in advance!

    submitted by /u/CodeCracker01
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    Ok a serious question so I’m going to the source. What is Ethereum’s inflation rate? Eth reports their burns just not their inflation %. How can we tell what their current circulation is and if it’s growing or shrinking? Thanks

    Posted: 15 Oct 2021 10:17 AM PDT

    Geth v1.10.10 - Sytau - Fix all the regressions!

    Posted: 15 Oct 2021 03:29 AM PDT

    This Week in Ethereum News

    Posted: 15 Oct 2021 07:59 PM PDT

    I love the subject matter expertise in weekly reporting these two bring, Ben Coathup and Evan Van Ness

    https://weekinethereum.substack.com/p/week-in-ethereum-news-october-16?utm_campaign=post&utm_medium=email&utm_source=

    Eth News and Links

    Mainnet execution layer

    Latest core devs call video. Notes from Tim Beiko:

    Aim for code to switch off PoW forever to be ready by Feb 2022

    Arrow Glacier upgrade around 8 Dec (block 13,773,000) delays difficulty bomb to around June 2022 (offset 10,700,000) with buffer for longer rollout of PoW switch off if needed and/or large hash rate changes

    OpenEthereum client is deprecated and won't support PoW switch off

    Calculating the difficulty bomb offset for Arrow Glacier upgrade

    Geth v1.10.10: bug fixes

    Erigon v2021.10.03: state cache on remote RPC daemons

    EIPs/Standards

    EIP4361: Sign-In with Ethereum; project website: login.xyz

    EIP4363: Transaction index OpCode

    Proof of stake consensus layer

    Pithos public testnet (switch off PoW):

    Joining instructions

    Video of setup on new Ubuntu installation

    Explorer

    Recap of Amphora week in Greece, execution and consensus layer client teams major milestone to switch off PoW forever

    Annotated beacon chain spec

    Consensus layer specs v1.1.3

    Beacon chain API spec v2.1

    Nimbus v1.5.1: users of v1.5.0 need to update, fix for deposit contract sync issue

    Vitalik's two-slot proposer/builder separation proposal for beacon chain

    Stereum 1.8 (beacon chain client installer): update for security fixes from audit

    Péter's minority client: orchestrator to only accept a state change if majority of multiple execution/consensus clients agree

    Layer2

    Demo of Uniswap v2 fork (Solidity contracts & dapp) on zkEVM testnet

    zkSync Reddit AMA

    Arbitrum Nitro upgrade preview: runs on WASM, replaces custom EVM emulator with Geth, estimated 20-50x execution speed increase

    zkevm-circuits v0.0.1: first release, implements PUSHX, POP, ADD, SUB, LT, GT opcodes

    Stuff for developers

    Replit (web based IDE) adds Solidity support: no setup, built in testnet, contract live editing (hot reloading), shareable dapps and contracts

    Hardhat VSCode extension coming in 2022

    EthernautDAO challenges: complete challenges whilst learning Solidity and web3 development

    Jolly Roger: updated dapp template using Hardhat, Svelte and The Graph

    Storage layout discovery in ERC20 contracts by brute force using Hardhat

    Prysmatic Labs' software design principles applied to Go

    EthTx v.0.3.1: improved proxy processing, uses 4byte directory for unknown signatures, ENS aware

    topic0: database of hashes to event log signatures, for log decoding, extracted from Sourcify verified contracts

    RICKS NFT fractionalization implementation, but with deterministic buyout, on-demand auction and a staking pool

    Guide to designing NFT launches: focus on unexploitable fairness, avoid race conditions and consider cost-efficiency; reference implementation

    Circom v2.0 (zero-knowledge circuit compiler), rewritten in Rust, 10x faster compilation

    rk4-starknet (Cairo): Runge-Kutta 4th Order Method, precursor to on chain physics engine

    MACI v1: contracts and zk circuits to build collusion resistant voting and quadratic funding platforms; v1 has improved developer experience and lower gas costs for users

    Security

    Indexed Finance ~$16 million exploit, approximated value of two pools was manipulated, MEV bot made two ~$2 million arbs

    Lido and RocketPool deposit frontrunning postmortem

    Tincho from OpenZeppelin: strategies for safer governance systems

    Recovery of funds sent to mainnet contract address on Arbitrum

    Ecosystem

    Legacy transactions overpay $1-3 million a day, ~40% of transactions

    ENS updates NFT images, supports avatar as background image, using new metadata service

    MetaMask opens .eth ENS websites with forward slash suffix e.g. vitalik.eth/

    Phishing site opens fake MetaMask popup tab

    GasNow style gas estimation, with heatmap and compatible API

    ETHOnline 2021 videos

    Enterprise

    CAA signs 0xb1 NFT collector for partnerships with blue chip brands

    Application layer

    DeFi v2.0: experiments in protocol controlled liquidity as an alternative to liquidity mining (DeFi v1.0)

    volmex.finance v1 live on Arbitrum

    Futureswap V4 beta on Arbitrum, trades 90% cheaper, executing in ~0.05 seconds

    dYdX Solo on mainnet winding down, close only mode from Nov 1

    Pods on-chain options protocol live on mainnet

    Fuse allows permissionless pools

    USM stable token: minimalist ERC20 system, ownerless and immutable, consisting of a stable token and a volatile token

    Umbra stealth address payments out of beta, setup now single transaction

    Gnosis Safe live on Arbitrum

    Blitnauts released into public domain (CC0)

    TikTok's first NFT is Curtis Roach's Bored in the House

    Sotheby's Metaverse curated NFT marketplace

    Job Listings

    Senior Engineer @Gitcoin - build the future of public goods funding!

    Lodestar (consensus client) hiring TypeScript protocol engineer

    Team Lead for the Ecosystem Support Program at the Ethereum Foundation

    Ethereum Foundation: Research Intern, read/think/write with Josh Stark

    Reach people experienced with Ethereum. $420 for two issues (~75 character limit), payable in ETH/DAI/USDC to abcoathup.eth. Questions? abcoathup at-gmail

    Regulation/business/tokens

    a16z agenda for policy makers: how to win the future (PDF deck), jurisdictional harmonization, protocol standards, regulatory sandboxes/safe harbors, 21st century regulation, clear tax rules, unlock DAOs, digital infrastructure strategy and align with sustainability

    Coinbase's digital asset policy proposal, single US regulator, transparency via disclosure requirements, protect against fraud & market manipulation, promote efficiency, resiliency, interoperability and fair competition

    US SEC Commissioner Peirce's take on Wild West and crypto regulation, what do the people (beneficiaries of regulation) want

    US CFTC orders Tether to pay $41 million over claims that USDT was fully backed by USD

    Guide to incorporating a web3 company

    Divergence Ventures farmed for retroactive airdrop of DeFi project they invested in, funds were returned

    Steam updates onboarding rules to not allow apps that issue or exchange crypto/NFTs

    Coinbase NFT late 2021, initially US only, 2 million email addresses on waitlist

    General

    Snowden: CDBCs will ransom our future

    Ben Thompson: Death and birth of technological revolutions

    Proving the security of Schnorr multi/threshold signatures

    Follow @WeekinEthNews to find out what the most clicked links are. Follow @evan_van_ness and @abcoathup to get most of the week's news in real time.

    Permalink for this week's issue: https://weekinethereumnews.com/week-in-ethereum-news-october-16-2021/

    Dates of Note

    Upcoming dates of note (new/changes in bold):

    Oct 18 – ENS online workshop (applications closed)

    Oct 20-21 – LisCon (Lisbon)

    Oct 22-24 – ETH Lisbon hackathon

    Oct 25 - Dec 13 – Gitcoin DAO Global hackathon (virtual)

    Oct 27 – Beacon chain upgrade to Altair epoch 74240

    Oct 28-29 – ETH Portland hackathon

    Dec ~8 – Arrow Glacier upgrade, block 13,773,000

    Nov 1-4 – NFT.NYC sold out

    Mar 28-30 – ETHDubai

    Did you get forwarded this newsletter? Sign up to receive it weekly https://weekinethereum.substack.com/subscribe#about

    submitted by /u/SurprisedByItAll
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    Some new unique pieces from my new Psychedelic Art NFT collection. Some even come with awesome Unlockables ⚛️ Grab yours now ;) Opensea.io/Kaleidoskop

    Posted: 15 Oct 2021 06:52 PM PDT

    Need verification is this possible and is it revolutionary or evolutionary or neither?

    Posted: 15 Oct 2021 06:34 PM PDT

    Check out my Unique Exquisite "Timelapse" 1/1 NFT (OpenSea Link in Comments otherwise ask if you can't see it) ��

    Posted: 15 Oct 2021 05:50 PM PDT

    The Stakeborg Talks with Vitalik Buterin - I’m a tech philosopher

    Posted: 15 Oct 2021 05:44 PM PDT

    Prominent token sale methods pursued by prominent blockchain projects. A recent trend that has gained popularity within the DeFi and NFT ecosystem is Bonding Curves. Such offerings have a smart contract-based AMM that leverage market forces and can also buyback tokens.

    Posted: 15 Oct 2021 11:42 AM PDT

    Why Is Algorithmic Stablecoin Important?

    Posted: 15 Oct 2021 05:28 PM PDT

    We provide over 100+ FREE crypto articles on our SubStack! :D (Link on our profile)

    TLDR

    We are creating dynamic systems and integrating the financial infrastructure into this new system. And this new system can integrate the current policies in place like fractional banking and reserve banking with capital efficiency. The innovation it brings now is dynamic monetary policy and reduced time lag in monetary response. We see an increasing number of papers being written on more robust monetary policies by central banks. They seem novel and to implement them to rewrite the current monetary system is difficult. But with algorithmic stablecoins we can experiment with these designs and study the empirical evidence of their efficiency. In this way we can build better monetary models for the future.

    What Is Stablecoin?

    Stablecoins are crypto assets that try to reduce volatility by pegging the value to another asset. Thus, it is stable with respect to the asset. For example, the value of the stablecoin will often be anchored to another type of stable asset such as central bank money (USD, CHF, RMB, SGD) or a commodity (gold, silver, precious metals).

    Why We Need Stablecoin

    Stay tuned for our algo stablecoin research paper coming out! It is a collaboration between Economics Design, Lemniscap VC and Bocconi University.

    TLDR: easy access to this new digital crypto space.

    Stablecoins appear to solve the biggest problem in the current cryptocurrency market, volatility. For traders or investors, they can convert assets to stablecoins to avoid cryptocurrency volatility without necessarily converting to fiat.

    For stores, it is difficult for a company to accept payment with a cryptocurrency when there is a fluctuation of 20-30% in value in a short period of time. This makes the broad adoption of cryptocurrencies much more difficult.

    Therefore, stablecoin is important as a bridge between the electronic market and the traditional financial market. The transition from fiat to cryptocurrency has been a lot easier since the advent of stablecoins.

    As Erik Voorhees, CEO of Shapeshift said:

    "Stablecoins are important in the same way that a bridge is important. You may not care much about the bridge, but without it, the beautiful land beyond is much harder to get to".

    Types Of Stablecoin

    How are these stablecoins created? Via various mechanisms which can be broadly classified into fiat-collateralised, crypto-collateralised and algorithmic.

    Fiat-Collateralised Stablecoin

    This is the most popular form of stablecoin in the cryptocurrency market at the moment. The value of these stablecoins is often pegged to the value of real money at a 1:1 ratio.

    The main feature of this type of stablecoin is that the total supply of it on the market must be worth the equivalent of the amount of money stored by the issuer.

    To ensure the truthfulness of that, the issuers will be inspected, managed and audited by a reputable financial institution such as a bank or financial audit company.

    The risk of this type of stablecoin is the risk that the issuer of the stablecoin cannot prove that the reserve amount is of equal value to the value of the stablecoin circulating in the market.

    Some typical fiat-backed stablecoins: Tether ($USDT), TrueUSD ($TUSD), USD Coin ($USDC), Paxos Standard ($PAX).

    Crypto-Collateralised Stablecoin

    Like fiat-backed, crypto-backed stablecoins are stablecoins that are collateralised by a crypto asset.

    However, the difference between these two types of stablecoin is where the collateral is stored.

    With fiat-backed, collateral is stored off-chain by reputable third parties such as banks or auditing firms.

    With crypto-backed, collateral is stored immediately on blockchain (on chain) which is locked in by means of a Smart Contract. This brings transparency as well as decentralisation.

    The risk of the form of stablecoin collateralised by crypto is the fluctuation of the price of the crypto coin that is collateralised.

    To minimise that risk, these stablecoins have to increase the value of the collateral to a very high level to ensure that price fluctuations do not affect the stability of the stablecoin.

    In case the value of the collateralised crypto is lower than the issued stablecoin, the smart contract liquidates the collateralised assets to ensure the stability of the stablecoin.

    Some typical stablecoins: MakerDAO ($DAI), Bitshares ($BitUSD), Celo, Reserves ($RSV).

    Algorithmic Stablecoin

    This type of stablecoin is not collateralised by any kind of asset. Instead, to maintain stability, these stablecoins use an algorithm-based supply-demand elasticity mechanism.

    The working nature of this stablecoin is similar to how central banks work with fiat money.

    When the value of a stablecoin is too high due to increased demand, the issuer will bring to the market a quantity of stablecoins until the value of the stablecoin is stabilised.

    And vice versa — when the value of the stablecoin drops too low, issuers will issue bonds bought with stablecoins to attract speculators to buy stablecoins. This increases the demand for stablecoin which brings its value back to a stable level.

    The risk of this form of stablecoin is that when speculators no longer buy bonds, that stablecoin will collapse. A prime example of this collapse is the Basis Stablecoin.

    Some typical stablecoins of this type: Carbon, Steeem Dollar, Bitpay Officical, Nubits.

    submitted by /u/economicsdesign
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    I was wondering if you make purchase with eth and you look at https://ethgasstation.info/ which gas price do you use? legacy or regular?

    Posted: 15 Oct 2021 05:09 PM PDT

    I was wondering if you make purchase with eth and you look at https://ethgasstation.info/ which gas price do you use? legacy or regular? It seems confusing because legacy is so much higher and if you use the much lower price will the transction still go thru

    submitted by /u/caseyrobinson2
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    Are any of y’all into nft

    Posted: 15 Oct 2021 04:50 PM PDT

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