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Zk
zkSync vs. Starkware
image from zksync doc
Adding fraud proof support for light clients becomes very important
zkSync
zkSync is a user-centric zk rollup platform from Matter Labs (opens new window). It is a scaling solution for Ethereum, already live on Ethereum mainnet. 【“Alex Gluchowski : zkSync — first EVM-compatible zkRollup”】
Starkware
StarkWare develops STARK-based solutions for the blockchain industry. Our products enable a secure, trustless, and scalable operating for blockchain applications.
⬆️ from their into&mission state, we can tell that their focus is kind of different.
SNARK vs. STARK
I will compare both projects in different topics
So @zksync and @StarkWare are two mainly zk L2 scaling solution for ETH.
Common points
Difference
Name
zksync
Starkware
Products
Zksync
Zkporter
Starknet: a decentralized, permissionless and censorship-resistant STARK-powered L2 ZK-Rollup that supports general-computation over Ethereum.【Building Dapps】
StarkEx: L2 scalability engine, which can handle complex trading logic (spot trading, derivatives, NFTs) as well as payments
Validators
Default: ZK prover (under a minute)
Validators: be responsible for packing transactions into blocks and generating zkp for them. They participate in the consensus and must.
Guardians: nominate honest validators,monitor p2p transaction traffic, detect censorship behavior.【开始是不是随机的，开始的validator是怎么选择的】
Cairo’s Generic Proof Service (GPS)【细化】 first ,then then verified on-chain
Instant confirmation
Yes, it is an option but need to trust elected validators
not mentioned
Team Founding date
Dec, 2019
May, 2018
Core founder
Co-founder of Matter Labs, Alex G
Chief scientist of Zcash, Eli Ben-Sasson
EVM compatible
Yes, also has its own language Zinc
No, using Cairo, and working on translating Cairo to Solidity.
They will send their Cairo code to the GPS to be proven, and then verified on-chain.
Safety
4.99/5.0(possiblility of concealed collusion of well-known participants)
5.0/5.0
Speed
1x
2x
TPS
2000 TPS
World Record: 3000 TPS
Proof time
10 mins
？
Extra work: pre-trust setup
Yes, only once
No, which is easier
Emergency exit(all validators are down)
Yes
x
Trust basement
Set of trust settings (Multi-party Computation Ceremony)
Enlargement of the error by math polynomials
DA problem
zkPorter【decentrailzied】:transaction settlement method based on each account,DA is motivated by the “Guardian” of the zkSync native token to provide security
Volition system【centrailzied】: choose rollup scheme (data availability on the chain) or the validium scheme (data availability off the chain) for each transaction
Current Value due Dec. 2021
US$1.25 billion
US$2 billion
There are no rows in this table
Starkware’s Validium scheme:
In the validium scheme, the off-chain DA is provided by a centralized “data availability committee” (DAC) to provide security assurance, and the DAC is composed of some prestigious cryptographic entities. This sounds really centralized, but…this is a compromise solution for users to choose voluntarily to meet their needs for ultra-low transaction fees.
large extent on the addition of the DeFi protocol and the direct integration with CEX.
Zksync
Starkware
Progress & Roadmap
zksync1.0
June 2020
zkSync 1.0 launched: a zk-rollup without smart contract integration.
Users can send and receive tokens.
zksync2.0
June 2021
The Alpha version of zkEVM testnet is live: zk-rollup that is fully compatible with EVM and has smart contract composability.
Oct. 2021
zkSync announced some of its recently completed technical details and deployed a test network similar to AMM (uniswap) to verify its EVM compatibility.
Feb 2022
Launching the first EVM-compatible ZK Rollup on public testnet
Starkware
Starknet(Nov. 29, 2021, the Alpha version of StarkNet’s mainnet)
They first launched StarEx, which I think is equivalent to the “Planets” phase of their roadmap, and allows the creation of permissioned, application-specific zk-rollups supported by Cairo and STARKs
Three main products:
Building StarkNet in four steps:
We expect to have Step I deployed in a few short months, and be well on our way to Steps II & III by the end of 2021.
By the beginning of the second half of 2022, at least one order of magnitude higher TPS than Ethereum, at a cost that is at least two orders of magnitude lower than Ethereum’s.
Potential issues(Needa more time)
Starkware
Zksync
Ecosystem/partners
The StarkNet Ecosystem
We are very excited by the ecosystem that’s forming around StarkNet so we’ll pause to thank our collaborators thus far.
We’re working closely with and the Nubia team, (Erigon) & (gateway.fm), ,
, , & Yoav Seginer, last but not least — the team.Our early partners —
, , , as well as , , and others — have been providing us with invaluable input from Day One, and allow us to build a production-grade network for real users.We continue to be amazed by the quality of content created by the community, by people such as , , , , , , and the .
Key points/features
Users can always retrieve the funds from the zkRollup smart contract even if validator(s) stop cooperating, because the data is available (unlike Plasma)
Neither users nor a single trusted third party needs to be online to monitor zkRollup blocks in order to prevent fraud (unlike fraud-proof systems, such as payment channels or Optimistic Rollups).
Bibliogrphy:
Starkware Ecological projects
Argent X
Argent X Is currently used to connect StarkNet The only browser plug-in wallet for the web , Be similar to Metamask.
Voyager
Voyager yes StarkNet Ecological blockchain browser .
Mint Square
Mint Square Is based on StarkNet One of the NFT platform , At present, a simple NFT Self-made function .
Briq
Briq Is based on StarkNet One of the NFT Pixel block construction platform , Current users can apply for... For free 1000 Creative combination of pixel blocks , Then generate NFT.
NFTflow
NFTflow It's based on StarkNet Constructed as non current assets NFT Create a platform for liquidity market . At present, it is still in the development stage , The official website has not been launched yet , Only documentation .
The Ninth
The Ninth It's based on StarkNet Build a meta universe game , Players can buy land in the game and generate various in-game elements and props , Have all kinds of game playing methods .
Phi （Φ）
Phi Φ It's based on StarkNet Build a meta universe game , Users can bind their ENS Domain name to specific land coordinates to generate land , At the same time, you can also apply for all kinds of props based on the user's activity data on the chain , Its main purpose is to map the user's activities on the chain to the meta universe game .Phi stay NFTHACK 2022 Got ENS Sponsorship Award .
Playoasis
Playoasis It's based on StarkNet Built NFT Trading market .
FujiDAO
FujiDAO Is a loan aggregator , It has the characteristics of automatic refinancing to find lower borrowing interest rate , At present, Ethereum main network and Fantom, It will be online in the future StarkNet .
JediSwap
JediSwap It's based on StarkNet Built AMM, Anyone can create a new transaction pair , Developers can also be based on JediSwap Further build on .
Providing liquidity pool
Zap: Zap helps you convert any of your tokens into LP tokens with 1-click
And you can Stake
Myswap
Myswap It's based on StarkNet Built AMM.
Starkswap: 【Early stage, no MVP yet】
Official website ：https://www.starkswap.co/
AMM built on StarkNet, the public ZK-Rollup.
Because of the underlying infrastructure Starkswap is built on, users will enjoy lightning fast trading at significantly cheaper costs (initially gas-less) while still benefiting from the security of layer 1 Ethereum.
Starkswap will be launching on the StarkNet planets alpha test net in Q1 of 2022. Further details will be shared with the community.
Team has backgrounds at FAANG and top startups.
ZigZag
ZigZag Is an order book model DEX, Now it's online zkSync, Plan support StarkNet.
ZigZag is a native, easy-to-use, reliable, fully secure and low fee Decentralized Exchange built on ZK Rollups.【Zksync】
Zksync - Mainnet & rinkeby testnet
xBank
xBank It's based on StarkNet Build a money market , similar AAVE.
zkLend
zkLend It's based on StarkNet Build a money market , Its characteristic is that on the premise of ensuring decentralization , For institutional clients and general DeFi Customers provide differentiated services .
ZkPad
zkPad It's based on StarkNet Built launchpad.
ZKX
zkx It's based on StarkNet Build a sustainable contract exchange , It is characterized by optimizing the transaction of assets under the chain and Gamification user experience . ZKX is developing high-load decentralized software systems for financial analytics and synthetic assets.
Serity
Serity It is an interest bearing synthetic asset casting transaction agreement .
Zksync
xSigma
xSigma Finance is a decentralized stablecoin exchange that provides the cheapest transactions for customers and a mining platform for liquidity providers.
LayerSwap
Bridge crypto from CEX to Layer2 faster and cheaper.
Comments from Enzo: Moving funds from CEX to L2
Mute
Mute is a ZK-Rollup based automated market maker (AMM) exchange, farming platform, and IDO platform. Holders of MUTE & VOICE can participate in governance and earn fees from platform revenue.
Leverage the security of Ethereum without high gas fees.
Imagine a Uniswap DEX that's way cheaper, more scalable and has completely private trading, meaning nobody can peek into your wallet.
Comments from Enzo: L2 DEX + Privacy
Orbiter
A decentralized optimistic cross-rollup bridge, which is the infrastructure of Layer 2
Bibliography:
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