Walrus Proof-of-Availability certificates turn “probably stored” into on-chain fact
Walrus treats storage like a contract you can verify, not a promise you just trust. When you upload a blob, the client splits it into pieces, sends them to a committee of storage nodes, and waits for enough signed acknowledgements. Those signatures are combined into a Proof-of-Availability certificate and posted on Sui, so anyone can check that custody really started and for how long it must be kept.It’s like getting a stamped receipt at a warehouse, instead of taking a photo of the door.fees pay for storage and certification, staking backs node eligibility and penalties, and governance can steer parameters like committees and epochs.I’m still unsure how this behaves under prolonged network partitions and real-world churn.
WAL
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