chiapos
Chia proof of space plotting, proving, and verifying (wraps C++)
Decision gist · record as of 2026-08-14
Yes, if you need proof-of-space plotting or verification for Chia blockchain work. The package is actively maintained, has no known vulnerabilities, supports modern Python versions with prebuilt wheels, and carries a permissive license. Install friction is moderate due to C++ compilation, but prebuilt wheels mitigate this for common platforms. Not relevant for non-Chia use cases.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a 64-bit architecture; Python 3.7 or later; C++ runtime for compiled bindings.
- Medium install friction due to compiled C++ bindings; wheels are available for multiple Python versions on macOS (arm64 and x86_64), Linux (aarch64 and x86_64), and Windows.
- Repository is active with recent commits and no archived status.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing commercial and private use with minimal restrictions beyond attribution and liability disclaimers.
last release 2025-11-05 (282 days) · last repo commit 2026-08-14 · 268 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 445,577 downloads/mo, #6,615 on PyPI
Alternatives
Verify before relying
pip install chiapos
import chiapos
# Use the module's plotting, proving, and verification functions as documented in the repository- Specific Python API surface and function signatures for plotting, proving, and verification
- Performance characteristics and typical plot file sizes
- Whether Rust bindings support proof verification only or full plotting capability
- Exact Python versions supported by prebuilt wheels beyond what version strings indicate
What it is and what it does
Chiapos is a Python wrapper around Chia's proof-of-space implementation, a cryptographic primitive used in Chia blockchain consensus. It provides three main operations: creating plots (generating proof-of-space files), proving (generating proofs from a challenge), and verifying (validating proofs). The package is written in C++ for performance and compiled to wheels for multiple Python versions and platforms.
The library runs exclusively on 64-bit architectures and requires Python 3.7 or later. It has no runtime dependencies beyond the compiled C++ backend. The repository includes both Python and Rust bindings, though Rust bindings are limited to proof verification only. The package is actively maintained, with the main branch tracking the latest released version on PyPI.
Use it for
- Creating proof-of-space plots for Chia blockchain farming or testing consensus mechanisms
- Verifying proofs of space in applications that need to validate Chia-compatible proofs
- Benchmarking or researching proof-of-space performance on different hardware
- Integrating proof-of-space verification into Python applications requiring Chia compatibility
- Experimenting with Hellman Attacks for space-optimized plot generation
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need proof-of-space plotting or verification for Chia blockchain work.
The package is actively maintained, has no known vulnerabilities, supports modern Python versions with prebuilt wheels, and carries a permissive license. Install friction is moderate due to C++ compilation, but prebuilt wheels mitigate this for common platforms. Not relevant for non-Chia use cases.
Install
chiapos on PyPI
Before you install
Medium install friction due to compiled C++ bindings; wheels are available for multiple Python versions on macOS (arm64 and x86_64), Linux (aarch64 and x86_64), and Windows. Repository is active with recent commits and no archived status.
Requires a 64-bit architecture; Python 3.7 or later; C++ runtime for compiled bindings.
License in practice
Licensed under Apache-2.0 (permissive), allowing commercial and private use with minimal restrictions beyond attribution and liability disclaimers.
Quickstart
pip install chiapos
import chiapos
# Use the module's plotting, proving, and verification functions as documented in the repositoryVerify before relying
- Specific Python API surface and function signatures for plotting, proving, and verification
- Performance characteristics and typical plot file sizes
- Whether Rust bindings support proof verification only or full plotting capability
- Exact Python versions supported by prebuilt wheels beyond what version strings indicate
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 282 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 445,577 / month, #6,615 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: chiapos-2.0.12-cp310-cp310-macosx_11_0_arm64.whl; chiapos-2.0.12-cp310-cp310-macosx_11_0_x86_64.whl; chiapos-2.0.12-cp310-cp310-manylinux_2_28_aarch64.whl; chiapos-2.0.12-cp310-cp310-manylinux_2_28_x86_64.whl; chiapos-2.0.12-cp310-cp310-win_amd64.whl; chiapos-2.0.12-cp311-cp311-macosx_11_0_arm64.whl; chiapos-2.0.12-cp311-cp311-macosx_11_0_x86_64.whl; chiapos-2.0.12-cp311-cp311-manylinux_2_26_aarch64.manylinux_2_28_aarch64.whl; chiapos-2.0.12-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl; chiapos-2.0.12-cp311-cp311-win_amd64.whl; chiapos-2.0.12-cp312-cp312-macosx_11_0_arm64.whl; chiapos-2.0.12-cp312-cp312-macosx_11_0_x86_64.whl; chiapos-2.0.12-cp312-cp312-manylinux_2_26_aarch64.manylinux_2_28_aarch64.whl; chiapos-2.0.12-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl; chiapos-2.0.12-cp312-cp312-win_amd64.whl; chiapos-2.0.12-cp313-cp313-macosx_11_0_arm64.whl; chiapos-2.0.12-cp313-cp313-macosx_11_0_x86_64.whl; chiapos-2.0.12-cp313-cp313-manylinux_2_26_aarch64.manylinux_2_28_aarch64.whl; chiapos-2.0.12-cp313-cp313-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl; chiapos-2.0.12-cp313-cp313-win_amd64.whl
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See also chiabip158 · chiavdf · chialisp-puzzles · chia-puzzles-py · chia-rs · clvm-tools-rs · clvm-rs · chia-base · z3-solver · hsms