DeFi doesn’t just need “data”; it needs engineered data logistics. Blocksize—how Pyth packages vast streams of prices, volumes, and confidence intervals into on-chain transactions—sits at the center of its speed, cost, and reliability trade-offs.
On Pythnet (the appchain tuned for oracle throughput), blocksize balances three constraints: minimize latency, maximize throughput, preserve accuracy. Too small, and costs spike while relays overload; too large, and updates lag when markets move. Pyth’s compression, aggregation, and cadence target sub-second refresh (often ~400ms) across 500+ feeds, converting raw first-party firehoses into verifiable snapshots with rich metadata.
Wormhole organizes these blocks via Merkle proofs to relay identical truth across 70+ chains. That uniformity matters: consistent inputs shrink cross-chain price drift and limit toxic arbitrage. Economically, efficient blocks lower per-datapoint cost, keeping publisher incentives healthy while preserving the staking-and-slashing guarantees that underpin Oracle Integrity Staking.
Because blocksize is elastic, the network can upshift during volatility (tighter intervals, more frequent updates) and downshift when calm (bandwidth savings without losing fidelity). For builders, the payoff is predictable, high-frequency inputs that keep liquidations fair, AMMs tight, and perps aligned with spot. For institutions, the same machinery can carry benchmarks and histories needed for risk, audit, and compliance—now with cryptographic audit trails.
In short: mastering blocksize turns chaotic global markets into clean, synchronized signals that any chain can trust—an invisible craft that makes real-time DeFi work.