Guide
Why do blockchains need to scale?
Beginner 20 min read
Blockchain scalability explained: why Bitcoin settles about 7 transactions a second, the trilemma, the block size war, and…
Scaling and layer 2
Rollups, blobs, sidechains, channels and modular chains: how blockchains handle more users for less.
Results
6 results
Guide
Layer 2 explained: how rollups make Ethereum cheaper
Beginner 20 min read
Layer 2 explained: how a rollup orders, compresses and posts your transaction to Ethereum, why fees fall to…
Guide
Optimistic rollups explained: Arbitrum, Optimism, Base
Intermediate 21 min read
Optimistic rollups explained: how fraud proofs work on Arbitrum and OP Mainnet, why exits take a week, and…
Guide
ZK rollups explained: zkSync, Starknet, Scroll, Linea
Intermediate 19 min read
ZK rollups explained: what a validity proof checks, SNARK vs STARK, zkEVM types, real withdrawal times and the…
Guide
Blobs and EIP-4844: why layer 2 fees fell
Advanced 26 min read
EIP-4844 explained: what an Ethereum blob is, how its fee market and the Fusaka reserve price work, who…
Guide
Sidechains vs rollups: Polygon PoS, Arbitrum and security compared
Intermediate 19 min read
Sidechain vs rollup: why Polygon PoS is not a rollup like Arbitrum, who can freeze or move your…