The Commitment Space
Six commitment schemes plotted on proof size vs. trust model: KZG (EIP-4844 blobs), IPA/Pedersen (Verkle state), Groth16, PLONK, FRI-STARK, and Merkle Patricia Trie. Click any dot to inspect.
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The Ceremony and the Constant: KZG Commitments, the Powers of Tau, and Why Ethereum Uses IPA for State
Every EIP-4844 blob is secured by a KZG polynomial commitment — 48 bytes committing to 128 KB, verifiable in 50,000 gas. That efficiency required 140,416 people to collectively bury a secret for 69 days. Here's the math, the ceremony, and why Ethereum chose a different scheme for state.
8 min read ⬢ interactive