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Aug 16 7 tweets 2 min read
73 days to zkSync 2.0 on mainnet. The next roadmap milestone is Dynamic Fees and today we’re releasing a definition of what it’ll include. Next week we’ll release the exact date. Heads up to developers on testnet, this release will be a regenesis event. #marchtomainnet

🧵 (1/7)
Dynamic Fees

Today, all transactions on zkSync 2.0 testnet cost a fee that's independent of transaction logic & respective L1 cost. Our new fee model is similar to Ethereum's with L2-specific modifications. Each transaction will be priced based on the resources consumed.

(2/7)
Dynamic Fees (cont’d)

To differentiate from the standard “gas,” our measurement unit is called “ergs.”

Ergs pay for:

1. Transaction execution & proof generation
2. L1 storage use
3. Proof verification on L1
4. Additional L1 interactions

(3/7)
Removing Variant Token Payments

This milestone will remove support to pay fees in variant tokens. This should only affect developers. The change should not be noticed by users because…

(4/7)
Account Abstraction Support for Paymasters

Users will be able to pay in different tokens directly to a ‘paymaster’ – who would then convert it into ETH for system compatibility.

Background: medium.com/infinitism/erc…

(5/7)
EIP-1559 Support

The same burn mechanism used by Ethereum L1 will be used in zkSync 2.0. This will be switched off initially (think of transaction tip as a system constant), as we don’t prioritize transactions with higher fees.

More on EIP-1559: eips.ethereum.org/EIPS/eip-1559

(6/7)
If you’re interested in porting to or launching on zkSync 2.0, get started by joining our testnet: v2.zksync.io

(7/7)

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More from @zksync

Aug 15
74 Days to zkSync 2.0 on mainnet. With the dream of a zkEVM solution for the @ethereum community becoming a reality, we’ve seen a wave of projects launching on zkSync 2.0. Every Monday, we’ll be highlighting some of the members of our growing ecosystem. #jointhemission

🧵(1/7)
@ethereum @MESprotocol launched their orderbook-based DEX to zkSync 2.0 Testnet. The project, built on zk-rollups, allows users in our ecosystem to enjoy a CEX trading experience. Check out their journey to joining zkSync below.

medium.com/@mesprotocol/m…

🧵(2/7)
@ethereum @MESprotocol @MultichainOrg (previously Anyswap) announced their integration with zkSync to bring cost-efficient and safe bridging of assets, NFTs, and messages to the platform.



🧵(3/7)
Read 7 tweets
Jun 22
We've just pushed a major update with structural changes designed to improve user experience, increase compatibility with Ethereum’s EVM, and upgrade performance on the zkSync v2 testnet.

A long thread, or read the blog post here: matterlabs.medium.com/760282cb31a7

1/18
1️⃣ We've added Account Abstraction, a feature considered to be a “long dream of the Ethereum developer community”. medium.com/infinitism/erc…

2/18
In summary, the goal of account abstraction is to reduce the number of account types, or entities with an ETH balance that can send transactions.

Ethereum currently features two account types — accounts controlled by private keys and contract accounts.

3/18
Read 18 tweets
Jan 25
There are a number of rabbit holes to go down in learning about @zksync and the technology behind it. Here's a curated list of videos and blog posts to get you started.
1. @IvanOnTech & @gluk64 - Scaling Ethereum w/ Zero Knowledge Rollups

2. 'zkEVM' presentation at @ETHGlobal

3. 'zkPorter' blog.matter-labs.io/zkporter-a-bre…
4. @epolynya’s Volitions: The best of all worlds polynya.medium.com/volitions-best…

5. Reddit AMA reddit.com/r/ethereum/com…

6. Evaluating Ethereum L2 Scaling Solutions: A Comparison Framework blog.matter-labs.io/evaluating-eth…
Read 5 tweets
Oct 12, 2021
The zkEVM era is coming!

Check out UniSync: the first migrated Solidity dApp on the @zksync 2.0 testnet:

medium.com/matter-labs/un…
UniSync is a port of @Uniswap V2's Solidity smart contracts and frontend, made easy by the zkEVM and full support of the Web3 API.

Try it here:
uni.zksync.io
In the past, it was necessary to switch to ZK languages in order to take advantage of the unmatched scaling, security, and UX benefits of ZK proofs. This is no longer the case!
Read 15 tweets
May 31, 2021
1/ 📞 Hello Ethereum! It's zkSync 2.0 speaking.

medium.com/matter-labs/zk…
2/ We are happy to present the alpha testnet of zkSync 2.0, featuring zkEVM and zkPorter technologies. This brings us one step closer towards our mission of enabling access to open decentralized finance for everyone in the world.
3/ THE zkEVM IS READY. The entire instruction set has been finalized and both implementations are done: in circuit and in the execution environment.
Read 8 tweets
Apr 14, 2021
1/ zkPorter's main feat is not breaking records on security.

Its breakthrough is the *composability* between accounts with security of L1 and a 100x cheaper (yet decentralized) alternative.

No other L2 offers this.
2/ We may agree or disagree on how zkPorter compares to optimistic rollups—this doesn’t matter at the end.

Even if zkPorter wasn't more secure than a simple sidechain (it's a lot more secure tho!), it would be a no lesser breakthrough.

Here is why.
3/ zkRollup is the only L2 that inherits full security properties of mainnet (assuming bug-free implementation, of course).

It also happens to be the most scalable and the most UX-friendly type of rollups (fast withdrawals).

It should be your preferred scaling solution.
Read 8 tweets

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