Developer and status updates for the @ZKsync Elastic Network.
Joined November 2021
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If it hasn’t been attacked, it hasn’t been tested.
BattleChain testnet is where that happens.
Built on @ZKsync stack, live now → battlechain.com
Mar 25
As of today, BattleChain testnet is LIVE.
The pre-mainnet, post-testnet blockchain, where whitehats legally attack your smart contracts before they reach production.
Deploy. Get attacked. Ship stronger.
Here's why we built it, what it is, and how you can get involved 🧵
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🚨 ZKsync is deprecating legacy Mailbox functions in favor of the new multichain (Elastic Network) interfaces.
If you’re currently using requestL2Transaction or finalizeEthWithdrawal, migrate to Bridgehub and L1Nullifier within the next 6 months.
Details → github.com/zkSync-Community-…
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Today, in coordination with the ZK Security Council, we deployed an emergency upgrade to ZK chains. This update tightens cryptographic security and reduces the risk of misuse by a malicious operator.
No user action is required, and ZKsync Era remains fully operational.
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Huge thanks to our security team, researchers, and security council members for helping keep the ZKsync protocol secure.
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Airbender just took the #1 spot on @eth_proofs.
Leading on both proving time and cost per proof, across single-GPU and multi-GPU categories.
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Private execution. Subsecond proving. Native interop. Production-ready chains.
ZKsync 2025 Rewind.
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If you haven’t looked at ZKsync recently, this is worth 30 seconds.
New chains, private execution, fast proving, native interop ↓
ZKsync has evolved a lot in the past year.
I put the latest updates together so you can catch up in ~30 seconds:
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ZKsync OS has completed its final external security audit.
The report is published by @taran_space, covering our modular execution layer powering 15k TPS and ~200ms latency.
Read the audit ↓
github.com/taran-space/audit…
Jan 6
Audit complete: our second public report for @ZKsync is now live.
This review focused on elliptic curve cryptography modules used in ZKsync OS — a highly optimized codebase for cutting-edge performance.
Full report with all issues and recommendations:
github.com/taran-space/audit…
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So far at @zksync ↴
→ Released Prividium (purpose-built for institutions)
→ Launched Airbender (fastest open source RISC-V prover)
→ Atlas Upgrade (15K TPS, 1s ZK finality, $0.0001 proving)
→ L1 interop for ZK chains
→ Introduced ZKsync Managed Services
Still early 👀
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24 Dec 2025
Next ZKsync protocol upgrade lands early Q1 2026.
ZKsync Era and other Elastic Network chains will temporarily settle directly on Ethereum during the upgrade, including updates to ZKsync Gateway.
Interop expands from messaging to assets transfers and bundled calls.
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22 Dec 2025
Etherscan support for ZKsync Era will be discontinued on Jan 7th, 2026.
This allows us to prioritize the ZKsync native explorer and support protocol-native features like interop transactions, Gateway settlement, and additional EVM compilers like solx.
ZKsync native explorer → explorer.zksync.io/
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16 Dec 2025
SSO touches accounts. Accounts touch everything.
That’s why we’ve wrapped up an external security audit for ZKsync SSO, conducted by @trust__90, focused on uncovering vulnerabilities and edge-case bugs in the scoped codebase.
Read the audit report → trust-security.xyz/zksync-ss…
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ZKsync Managed Services is the first enterprise-grade rollup-as-a-service offered directly by the team that built the stack.
Our intimate platform knowledge enables unmatched security and reliability, so you can focus on shipping and growing the business with peace of mind.
Announcing ZKsync Managed Services from Matter Labs.
Dedicated, production‑grade ZK Stack chains, plus RPC, block explorer, indexers, and event delivery.
Operated 24/7 by the team behind the protocol.
Blog: zksync.io/blog/zksync-manage…
Website: zksync.io/managed-services
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Announcing ZKsync Managed Services from Matter Labs.
Dedicated, production‑grade ZK Stack chains, plus RPC, block explorer, indexers, and event delivery.
Operated 24/7 by the team behind the protocol.
Blog: zksync.io/blog/zksync-manage…
Website: zksync.io/managed-services
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3 Dec 2025
Open. Unbiased. Securely scaling.
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25 Nov 2025
ZKsync OS bug bounty is live.
We’ve planted a few intentional "easter-egg" bugs to give @immunefi researchers extra chances to earn. We already know the fixes, but you can still claim full bounties for finding them.
Happy hunting!
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25 Nov 2025
Find all the details here for the ZKsync OS bug bounty: immunefi.com/bug-bounty/zksy…
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1,000,000 TPS
Real-time proving
Home-proving
Believe in somETHing
21 Nov 2025
🤯 two 5090s now prove every L1 EVM block 🤯
The @zksync Airbender team pulled off something insane ahead of tomorrow's ethproofs.day demo. Mainnet proofs on two gaming GPUs. One box, ~1kW—basically a toaster.
Props to @robik, Michael Carrili, @MarcinM02, @Shamatar.
The L1 gas limit is going higher. So much higher.
Beast mode. Gigagas L1. Believe in something.
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