Clear DefinitionsPoBandwidth
1 min read
Pronunciation
[pee-oh-band-width]
Analogy
PoBandwidth is like showing your passport (proof) that you have enough luggage capacity (bandwidth) before boarding a flight.
Definition
An abbreviation for Proof-of-Bandwidth, indicating the same protocol for verifying network throughput commitments by nodes.
Key Points Intro
PoBandwidth functions identically to Proof‑of‑Bandwidth, providing:
Key Points
Throughput attestations via challenge‑response.
Sybil resistance through resource cost.
Decentralized verification by multiple observers.
Incentivization via reputation or token rewards.
Example
In a content‑delivery mesh, nodes submit PoBandwidth receipts to earn token payouts proportional to verified data served.
Technical Deep Dive
PoBandwidth protocols wrap UDP/TCP streams in authenticated channels. Verifiers issue timestamped data shards; provers return proofs including Merkle roots of transmitted shards. Signed reports are gossiped on‑chain for global verification.
Security Warning
Replay attacks are possible if nonces are reused; ensure freshness through tight timestamp checks.
Caveat
High variance in public Internet can affect proof reliability.
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