slip10
A reference implementation of the SLIP-0010 specification, which generalizes the BIP-0032 derivation scheme for private and public key pairs in hierarchical deterministic wallets for the curves secp256k1, NIST P-256, ed25519 and curve25519.
Decision gist · record as of 2026-08-14
Yes, if you need SLIP-0010 key derivation. The package is actively maintained, has no known vulnerabilities, low install friction, and a permissive dual license. It is a reference implementation suitable for projects requiring standards-compliant hierarchical key derivation across Bitcoin and other curves. Verify whether it meets your production-readiness requirements before use in live cryptocurrency systems.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction: pure Python wheel with only cryptography as a runtime dependency.
- Actively maintained with recent release (2026-02-02) and clean commit history.
License · maintenance · safety
BSD-3-Clause AND MIT (permissive) — Dual-licensed under BSD-3-Clause and MIT (permissive). Both licenses allow commercial and private use with minimal restrictions.
last release 2026-02-02 (193 days) · last repo commit 2026-05-15 · 3 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 152,441 downloads/mo, #10,900 on PyPI
Alternatives
Verify before relying
from slip10 import SLIP10, HARDENED_INDEX
slip10 = SLIP10.from_seed(bytes.fromhex("01"))
xpriv = slip10.get_xpriv_from_path([1, HARDENED_INDEX, 9998])
pubkey = slip10.get_pubkey_from_path("m/1/1/1/1/1/1/1/1/1/1/1")- Whether the package is suitable for production use in real cryptocurrency wallets or primarily for reference/testing
- Performance characteristics when deriving keys from deep paths or handling many derivations
What it is and what it does
slip10 is a reference implementation of the SLIP-0010 specification, which extends BIP-0032 to define how to derive hierarchical deterministic key pairs across multiple elliptic curves. It takes a seed (or an existing extended key) and derives child keys at any depth along a path, supporting both hardened and unhardened derivation steps. The package handles four curves: secp256k1 (Bitcoin), NIST P-256, ed25519, and curve25519.
The library provides methods to initialize from a raw seed, an extended private key (xpriv), or an extended public key (xpub), then derive keys at any path as either raw bytes, extended keys, or serialized base58-encoded strings. It depends only on cryptography for ed25519 and curve25519 operations, having dropped external ecdsa and base58 dependencies in version 1.1.0 by inlining those implementations. It supports Python 3.8 through 3.14.
Use it for
- Generate a hierarchy of Bitcoin addresses from a single seed for HD wallet implementations
- Derive public keys from an xpub without access to private keys for watch-only wallet scenarios
- Support multiple elliptic curves in a single codebase for cross-chain or multi-curve applications
- Implement key derivation paths following the SLIP-0010 standard for interoperability with other wallets
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need SLIP-0010 key derivation.
The package is actively maintained, has no known vulnerabilities, low install friction, and a permissive dual license. It is a reference implementation suitable for projects requiring standards-compliant hierarchical key derivation across Bitcoin and other curves. Verify whether it meets your production-readiness requirements before use in live cryptocurrency systems.
Install
slip10 on PyPI
Before you install
Low friction: pure Python wheel with only cryptography as a runtime dependency. Actively maintained with recent release (2026-02-02) and clean commit history.
License in practice
Dual-licensed under BSD-3-Clause and MIT (permissive). Both licenses allow commercial and private use with minimal restrictions.
Quickstart
from slip10 import SLIP10, HARDENED_INDEX
slip10 = SLIP10.from_seed(bytes.fromhex("01"))
xpriv = slip10.get_xpriv_from_path([1, HARDENED_INDEX, 9998])
pubkey = slip10.get_pubkey_from_path("m/1/1/1/1/1/1/1/1/1/1/1")Verify before relying
- Whether the package is suitable for production use in real cryptocurrency wallets or primarily for reference/testing
- Performance characteristics when deriving keys from deep paths or handling many derivations
Package facts
| License | BSD-3-Clause AND MIT permissive |
| Python support | Supports the current Python release <4.0,>=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagecryptography |
| Maintenance | Actively maintained 193 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 152,441 / month, #10,900 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Programming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9 |
Evidence: slip10-1.1.0-py3-none-any.whl
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See also bip32 · nkeys · bip-utils · hdwallet · mnemonic · ed25519-blake2b-fork · coincurve · fastecdsa · pure25519 · ecdsa