whatisgithub

What is repbin?

saper/repbin — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2015-09-18

GoAudience · ops devopsComplexity · 4/5DormantSetup · hard

In one sentence

An encrypted, anonymous pastebin that runs over Tor, share files via secret URLs without any server operator being able to read them.

Mindmap

mindmap
  root((repbin))
    What it does
      Encrypted file sharing
      Secret URL links
      Anonymous over Tor
    Tech stack
      Go
      Tor network
      Proof of work
    Use cases
      Private pastebin
      Anonymous mailbox
      Resilient posting
    Audience
      Privacy enthusiasts
      Sysadmins
      Researchers
    Caveats
      Unaudited software
      Experimental
      Not for critical use

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Share a file privately with someone using a one-time secret URL.

USE CASE 2

Set up a long-term mailbox key so others can message you anonymously.

USE CASE 3

Run server software to help strengthen a decentralized, censorship-resistant posting network.

What is it built with?

GoTor

How does it compare?

saper/repbin42wim/fabio42wim/go-xmpp
LanguageGoGoGo
Last pushed2015-09-182018-02-042020-01-24
MaintenanceDormantDormantDormant
Setup difficultyhardmoderatemoderate
Complexity4/53/53/5
Audienceops devopsops devopsdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · hard Time to first run · 1h+

Requires running Tor and understanding of the client/server split, experimental and unaudited.

Copy-paste prompts

Prompt 1
Explain how Repbin encrypts files client-side before sending them over Tor.
Prompt 2
Walk me through installing the Repbin client and sending my first encrypted file.
Prompt 3
How does Repbin's proof-of-work system stop spam, and how is it similar to Bitcoin mining?
Prompt 4
Help me set up a long-term mailbox key with Repbin so people can message me anonymously.

Frequently asked questions

What is repbin?

An encrypted, anonymous pastebin that runs over Tor, share files via secret URLs without any server operator being able to read them.

What language is repbin written in?

Mainly Go. The stack also includes Go, Tor.

Is repbin actively maintained?

Dormant — no commits in 2+ years (last push 2015-09-18).

How hard is repbin to set up?

Setup difficulty is rated hard, with roughly 1h+ to a first successful run.

Who is repbin for?

Mainly ops devops.

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