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Blockcore

github.com/block-core/blockcore-wallet Nostr Open-source projectOpen source

Blockcore Wallet manages coins, tokens, identities, and NFTs through a browser-based Web5 wallet.

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github.com/block-core/blockcore-wallet
Blockcore homepage screenshot

About Blockcore

Blockcore Wallet is an open source, non-custodial wallet that runs in the browser. It handles wallet management, account management, identity management, and signing. Built on web technology, it also works as a Progressive Web App and in native mobile and desktop forms, according to the project's homepage.

The wallet can have several active wallets at once, and each wallet can hold one or more accounts, including accounts on different blockchains and networks. It also supports payment requests, decentralized blockchain API discovery, Nostr, and multiple languages with left-to-right and right-to-left layouts. Accounts can be added in Normal or Quick mode. Normal mode retrieves full transaction history and calculates the balance locally, while Quick mode retrieves only current balance information from indexer APIs. The project offers separate builds named Blockcore, CoinVault, and Free City Wallet, each with different supported chains and features. The project describes the software as experimental and says users hold their own keys.

Key features

  • Multiple active wallets, each holding one or more accounts across blockchains
  • Payment requests
  • Decentralized blockchain API discovery
  • Normal and Quick account modes for balance and transaction retrieval
  • Nostr support
  • Separate Blockcore, CoinVault, and Free City Wallet builds with different chain support
Best for: Users of Chromium-based browsers who want a non-custodial wallet for several blockchains and accept that the software is experimental.
Good for
  • Non-custodial, with the user holding their own keys
  • Open source, with the source code published on GitHub
  • Quick mode retrieves only current balance data, so large wallets do not need full history downloads
Watch out for
  • The project describes the software as experimental and says it is used at the user's own risk
  • Firefox is not supported, and the project states that support is not planned
  • If the secret recovery phrase is lost, the project cannot restore access

Blockcore at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Browser extension
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026
open sourcebrowser extensiontokens

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Blockcore FAQ

What is the difference between Normal and Quick modes?
Normal mode retrieves all transaction history for the wallet and calculates the balance locally. Quick mode retrieves only the current balance from indexer APIs and queries those APIs when sending transactions, so the wallet does not need to download all data.
What happens if I lose my secret recovery phrase?
The project states that it holds no user keys and cannot restore access or help recover funds if the secret recovery phrase is lost. Users are advised to back up the phrase.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 13, 2026 · How we rank