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Hessible v0.1.0

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@hermeticvm hermeticvm released this 26 Aug 15:34
v0.1.0
4a54c17
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Learn about vigilant mode.

Hessible 0.1.0 is the first packaged preview of a private, Nostr-native address book for Android.
It keeps contacts under your own Nostr identity instead of putting a central service in charge of
your data.

Highlights

  • Private by design: contact records are NIP-44 encrypted before they leave the device and are
    stored as addressable Nostr events across the relays you choose.
  • Reliable multi-device sync: a durable outbox retries offline edits, while persistent
    tombstones prevent deleted contacts from being resurrected by stale relay data.
  • Nostr-aware contacts: link an npub, search public profiles by name, resolve NIP-05
    identities, and use profile metadata and avatars in the address book.
  • Android integration: mirror Hessible contacts into Android's contacts provider, including
    phone, SMS, email, map, browser, and installed-messenger actions.
  • Flexible organization: favorites, categories, birthdays, notes, addresses, and websites are
    all supported.
  • Easy transfer and sharing: import or export standard vCards, paste contact lists, and share or
    scan contact QR codes.
  • Encrypted photos: contact images can be encrypted locally and mirrored to configured Blossom
    servers.
  • Your choice of keys: create or import a local Nostr key, or connect an external Amber signer.

Install

Download hessible-v0.1.0.apk below and install it on Android 8.0 or newer. Android may ask you to
allow installs from the browser or file manager you used to open the APK. The accompanying
.sha256 file can be used to verify the download.

Release signing certificate SHA-256:
EC:82:BE:84:EA:62:1F:01:4B:9E:DE:7E:E5:B6:AF:D2:3B:03:95:EF:1C:FA:80:FE:3F:BE:39:CA:88:B8:75:E2

Please note

  • This is an early preview. Back up your Nostr secret key before relying on Hessible as your only
    copy of important contacts.
  • Relay availability and retention policies vary. Configure multiple relays, including a durable
    paid, self-hosted, or on-device relay when possible.
  • Nostr deletion requests are advisory. Hessible remembers tombstones locally to hide stale copies,
    but a relay may retain previously published encrypted events.
  • The APK currently uses the existing Android package ID com.circumspace.contactstr.
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