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reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["content-addressed-storage","cryptography","e2ee","inet256","network","p2p","storage"],"created_at":"2026-01-13T22:55:34.312Z","updated_at":"2026-05-01T20:01:56.436Z","avatar_url":"https://github.com/blobcache.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Blobcache\n\n[![GoDoc](https://godoc.org/blobcache.io/blobcache?status.svg)](http://godoc.org/blobcache.io/blobcache)\n[\u003cimg src=\"https://discord.com/assets/cb48d2a8d4991281d7a6a95d2f58195e.svg\" width=\"80\"\u003e](https://discord.gg/TWy6aVWJ7f)\n[![Matrix](https://img.shields.io/matrix/inet256:inet256.org?server_fqdn=matrix.inet256.org\u0026label=Matrix%20Space\u0026logo=matrix)](https://matrix.to/#/#inet256:inet256.org)\n\nBlobcache reimagines application state as Volumes holding hash-linked data structures.\nVolumes can be persisted locally, encrypted, and accessed over the network.\nHash-linked data structures are efficient to sync and transfer.\nCorruption is always detected, and the root is a cryptographic commitment to the whole data structure.\n\nBlobcache is a universal backend for E2EE applications.\n\n## Quick Docs\n- [Why Blobcache?](./doc/0.2_Why_Blobcache.md)\n- [Concepts](./doc/1.0_Concepts.md)\n- [BCP vs. HTTP](./doc/9.01_BCP_vs_HTTP.md)\n- [Git Remote](./doc/6.01_Git_Remote.md)\n\n## Getting Started\n\nFor non-user machines (cloud, homelab) it is recommended to run the docker image.\nFor user machines, it is recommended to run blobcache as a systemd service when you log in.\n\n### Installation\nThere is an [install script](./www/install.sh) for systemd-based linux, and macOS.\n```\ncurl blobcache.io/install.sh | sh\n```\nThe install script does 2 things:\n- Installs the blobcache executable to `/usr/bin/blobcache`\n- Copies [blobcache.service](./etc/blobcache.service) into `$HOME/.config/systemd/user/`\n\nThen you can manage the service using `systemctl --user` as you would normally.\nThe service is not enabled by default (you can do that with `systemctl --user enable blobcache`), so this install method is also appropriate for getting the binary into `/usr/bin` without launching a background process.\n\n### Setting `BLOBCACHE_API`\nOn user machines, you will probably want to set the `BLOBCACHE_API` environment variable.\n\nThis would set the variable to the unix socket used by default in the systemd service described above.\n```shell\nexport BLOBCACHE_API=\"unix:///run/user/$(id -u)/blobcache.sock\"\n```\n\nThe environment variable is used by the `blobcache` command to talk to the blobcache daemon.\n\nYou can test that the CLI can connect to the daemon with\n```shell\n$ blobcache endpoint\nJcJvfY9tFsfkHSwoMT8IEoSq1ZfxVYBAwpBRvJ0uUJA:[::]:6025\n```\n\n### Docker\nThere is a docker image on the GitHub Container Registry, it can also be built with `just build-images`.\nRight now it only builds for `linux-amd64`.\n\nAfter that you can test run with\n```shell\ndocker run -it --rm ghcr.io/blobcache/blobcache:latest\n```\n\nImages are tagged with the git hash e.g. `git-a0b1c3d` and the version e.g. `v1.2.3`\n\nThe `/state` directory is where blobcache stores all of its state.\nThis is where you should mount a volume to persist data on the host.\nYou should also expose the peer port, so other instances can connect.\n\n```shell\ndocker run \\\n    -v /host/path/to/state:/state \\\n    -p 6025:6025/udp \\\n    ghcr.io/blobcache/blobcache:latest\n```\n\n### Running a Node in Memory\nThis is a good option if you just want to play around with the API, and don't want to persist any data, or connect to peers.\n\n```shell\n$ blobcache daemon-ephemeral \\\n    --serve-ipc ./blobcache.sock \\\n    --net 0.0.0.0:6025\n```\n\n### Running the daemon\nThe following command runs a daemon with state in the specified directory. \n```shell\n$ blobcache daemon \\\n    --state $HOME/.local/blobcache \\\n    --serve-ipc /run/blobcache/blobcache.sock \\\n    --net 0.0.0.0:6025\n```\n\nOnce the daemon is running, you should be able to connect to it and start building your application on top of content-addressed storage.\n\n## License\nThe Blobcache implementation is licensed under GPLv3.\nAll of the clients are licensed under MPL 2.0\nAs a genreal rule: everything north of the UNIX or HTTP API is MPL and everything south is GPL.\n\nWhat this means is: if you improve Blobcache you have to make the improvements available, but if you are just using a client you can do whatever you want with it.\n\nIf you need additional clarity with regard to licensing, please reach out.\nWe can add headers to the invidual files if necessary.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fblobcache%2Fblobcache","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fblobcache%2Fblobcache","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fblobcache%2Fblobcache/lists"}