ZK-Rollups
A way to make blockchain faster and cheaper. It bundles many transactions together and processes them off the main network, then proves they're valid.
Example
Using zkSync to send money for less than $0.10 instead of paying $10+ on regular Ethereum.
Related Terms
Advanced Concepts
βοΈHow It Works
- 1
Collect Transactions
Users submit transactions to the L2 network
- 2
Bundle Together
Hundreds of transactions are batched into one
- 3
Generate Proof
Complex math creates a cryptographic proof of validity
- 4
Post to L1
Proof and minimal data are posted to Ethereum mainnet
πKey Numbers
$0.01-0.10
Transaction Cost
vs $1-50 on L1
2,000+ TPS
Throughput
vs 15 TPS on Ethereum
Minutes
Finality
once proof is verified
βοΈZK-Rollups vs Optimistic Rollups
| Feature | zk Rollups | optimistic Rollups |
|---|---|---|
| Withdrawal Time | Minutes | 7 days |
| Proof Method | Math proofs | Fraud proofs |
| Security | Cryptographic | Economic |
| Complexity | Higher | Lower |
| EVM Compatibility | Improving | Full |