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My Little Bitcoin

My Little Bitcoin is a study-oriented JavaScript cryptocurrency implementation with proof-of-work mining, transaction handling through unspent outputs, peer-to-peer blockchain synchronization and multiple wallets. Its Vue.js web interface supports sending coins and inspecting blocks, addresses, transactions, wallet balances and mempool data.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

My Little Bitcoin — OpenViST project profile in Protocols.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it for hands-on study of cryptocurrency mechanics or a local node-synchronization demonstration. The repository documents both a demo node and a three-node Docker setup.

Who it is for

  • Learners studying how mining, transactions, wallets and blockchain nodes fit together.
  • Developers seeking a small JavaScript codebase for exploring cryptocurrency concepts.
  • Instructors or workshop organizers who want a local, multi-node blockchain demonstration.

Documented uses

  • Observe proof-of-work block mining and block rewards.
  • Create and send transactions using unspent outputs.
  • Compare activity across peer-connected nodes as the blockchain synchronizes.
  • Inspect blocks, addresses, transactions, wallets and mempool state through the web interface.
Before you choose

Requirements & limits

The repository is public and states an MIT license. The documented local setup uses Yarn; the three-node setup requires Docker.

  • The implementation identifies itself as naive and intended only for studying.
  • Mining may consume substantial CPU resources; demo mode is documented as a lower-load option.
  • The repository lists chain-conflict resolution and persistent blockchain storage among future-work items.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Set up the demo node

Install the project dependencies, compile the frontend resources and start the documented demo mode locally.

Before you start

  • Git
  • Yarn

Steps

  1. Clone the repository with the command below.

    Documented command
    git clone https://github.com/vedmant/my-little-bitcoin.git

  2. Change into the project directory with cd my-little-bitcoin.

  3. Install dependencies with yarn.

  4. Compile frontend resources with yarn prod, then start demo mode with yarn demo.

  5. Open http://localhost:3001/.

Expected outcome

A locally running demo node with the web interface at port 3001.

Guide limitations

  • The project describes itself as a naive implementation intended only for study.
  • Demo mode is described as reducing CPU load; mining may consume substantial CPU resources.
Documentation 1 ↗
Source-based practical guide

Start a three-node Docker sandbox

Launch three communicating project nodes using the documented Docker Compose setup.

Before you start

  • Docker installed on the computer

Steps

  1. From the project directory, run docker-compose up.

  2. Open the nodes at http://localhost:3001, http://localhost:3002 and http://localhost:3003.

  3. Start mining on one node to have the network add new blocks; mining can also be started on each node.

Expected outcome

Three local node interfaces communicating with one another.

Guide limitations

  • The repository warns that mining can consume a lot of CPU resources.
  • The implementation is described as suitable only for study.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
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Sources checked
8 October 2026
Original website title
vedmant/my-little-bitcoin · Official homepage title · retained in its source language
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