Chains on Bitsy Wiki

Sapphire

Mon, 01 Jan 0001 00:00:00 +0000

Oasis Sapphire is the first and, for now, the only general-purpose confidential EVM — a fully Ethereum-compatible chain where smart contract state and transaction calldata are encrypted by default. Ordinary Solidity compiles and runs unchanged, but the contract’s storage, the arguments you send it, and the values it returns are sealed inside a hardware trusted execution environment (TEE) and never exposed to validators, RPC providers, or block explorers. Sapphire is a ParaTime (a runtime) on the Oasis Network; its gas token is ROSE.

Arweave

Mon, 01 Jan 0001 00:00:00 +0000

Arweave is a decentralized storage network built around a single unusual promise: pay once, store forever. Where most storage – cloud buckets, IPFS pins, traditional hosting – charges recurring rent and deletes the data the moment payment stops, Arweave takes an upfront fee and commits to retaining it in perpetuity. The collection of data stored this way, served over HTTP through gateways, is marketed as the permaweb: a permanent, immutable layer of the web.

Filecoin

Mon, 01 Jan 0001 00:00:00 +0000

Filecoin is the incentive layer that IPFS deliberately does not have. It keeps the addressing — same content identifiers (CIDs), same Merkle DAGs — and adds a market where storing data is a dated contract that the provider must keep proving it is honouring, on chain, or lose staked collateral.

Deals#

A client and a storage provider agree a deal: a piece of data, a term measured in days, a price in FIL, and collateral the provider pledges against delivery. The provider takes the raw bytes and seals them into a sector — a slow, deliberately expensive encoding that produces a copy unique to that provider, so storing the same file twice cannot be faked by keeping one copy and counting it twice.