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Tapscript

Tapscript is an open-source TypeScript library for working with Bitcoin Taproot, Tapscript, Schnorr signatures and Bitcoin transactions. Its tools cover address handling, script encoding and decoding, signature production and validation, Taproot trees, and transaction encoding and decoding.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Tapscript — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when a TypeScript project needs documented library tools for Bitcoin Taproot data, scripts, signatures or transaction processing.

Who it is for

  • Developers building applications that construct or process Bitcoin Taproot transactions.
  • Developers creating utilities for Tapscript, Bitcoin scripts or Schnorr signatures.

Documented uses

  • Encode, decode, check or convert Bitcoin address types.
  • Encode scripts as hex or decode them into script arrays.
  • Produce signatures and validate signed transactions.
  • Build, tweak and validate trees of data or scripts.
  • Encode transactions as hex or decode them into JSON objects.
Before you choose

Requirements & limits

The project is available as a public GitHub repository under the CC0-1.0 license. The README specifies Node.js version 19 or later for globalThis support.

  • The documented tools address Bitcoin and Taproot-specific development tasks, rather than a hosted wallet or transaction service.
  • The README recommends understanding Bitcoin and Taproot to follow the library more easily and includes an introductory overview.
  • The README notes extensive use of Buff, an extension of Uint8Array, for data-type conversion.

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

Choose a Tapscript tool for a Bitcoin data task

Identify the documented tool category for encoding or decoding addresses, scripts, transactions, or for working with signatures and Taproot trees.

Before you start

  • Familiarity with Bitcoin and Taproot is recommended to follow the library documentation.
  • Node.js users need version 19 or later for globalThis support.

Steps

  1. Review the Tool Index in the Tapscript README.

  2. Select the Address Tool for address encoding, decoding, checking, or conversion.

  3. Select the Script Tool to encode scripts into hex or decode them into a script array; the Tx Tool to encode transactions into hex or decode them into a JSON object; the Signer Tool for producing signatures or validating signed transactions; or the Tap Tool to build, tweak, and validate trees of data or scripts.

Expected outcome

A documented tool category is selected for the relevant address, script, transaction, signature, or Taproot-tree task.

Guide limitations

  • The documentation notes Node.js version 19 or later is needed for globalThis support.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
14 October 2026
Original website title
cmdruid/tapscript · Official homepage title · retained in its source language
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