
Bubble Protocol
Bubble Protocol adds smart-contract access control to off-chain storage, giving Web3 apps private encrypted vaults.

What is Bubble Protocol?
Bubble Protocol is a hybrid Web3 storage framework where smart contracts govern access to encrypted off-chain data. Developers create private containers, bubbles, backed by any storage system, define on-chain permissions through Smart Data Access Contracts, and use the Bubble SDK to read, write, and authenticate via user signatures. The protocol is blockchain-agnostic and supports identity, NFT content, and privacy-preserving DApps.
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Developer resources from Alchemy

What is a blockchain indexer?
Learn about the role of indexers and how they help you query onchain data.

Alchemy brings institutional-grade infrastructure to the Canton Network
Institutional finance is moving onchain on Canton. Alchemy now offers managed Participant and Validator nodes, Ledger and Utilities APIs, and gas abstraction, one platform alongside Ethereum, Solana, Base, and 30+ networks.

Metropolis makes it easy to deploy smart contracts using Alchemy's account abstraction infrastructure
Learn how Metropolis is leveraging Alchemy's account abstraction infrastructure to redefine smart contract deployment with their new product, Metal.
Bubble Protocol alternatives
Explore web3 competitors and apps like Bubble Protocol.

