diff --git a/finance/py-chiapos/Makefile b/finance/py-chiapos/Makefile
new file mode 100644
index 0000000..9d711c4
--- /dev/null
+++ b/finance/py-chiapos/Makefile
@@ -0,0 +1,24 @@
+PORTNAME=	chiapos
+DISTVERSION=	1.0.3
+CATEGORIES=	finance python
+MASTER_SITES=	CHEESESHOP
+PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+
+MAINTAINER=	risner@stdio.com
+COMMENT=	Chia proof of space plotting, proving, and verifying (wraps C++)
+
+LICENSE=	APACHE20
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pybind11>0:devel/py-pybind11@${PY_FLAVOR}
+
+USES=		cmake:run,insource,noninja python:3.7+
+USE_CXXSTD=	c++17
+USE_PYTHON=	autoplist concurrent distutils
+
+CONFIGURE_WRKSRC=	${WRKSRC}/build
+
+post-test:
+	${WRKSRC}/build/temp.freebsd*/RunTests
+
+.include <bsd.port.mk>
diff --git a/finance/py-chiapos/distinfo b/finance/py-chiapos/distinfo
new file mode 100644
index 0000000..99c1298
--- /dev/null
+++ b/finance/py-chiapos/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1622512112
+SHA256 (chiapos-1.0.3.tar.gz) = d987b481a3acbff1e0d77eb713af8d99ecec2bd11c2c465528a5078a433686bd
+SIZE (chiapos-1.0.3.tar.gz) = 1291513
diff --git a/finance/py-chiapos/files/patch-setup.py b/finance/py-chiapos/files/patch-setup.py
new file mode 100644
index 0000000..3cfe712
--- /dev/null
+++ b/finance/py-chiapos/files/patch-setup.py
@@ -0,0 +1,19 @@
+--- setup.py.orig	2021-05-28 02:40:44 UTC
++++ setup.py
+@@ -202,6 +202,7 @@ if platform.system() == "Windows":
+ else:
+     setup(
+         name="chiapos",
++        version="1.0.3",
+         author="Mariano Sorgente",
+         author_email="mariano@chia.net",
+         description="Chia proof of space plotting, proving, and verifying (wraps C++)",
+@@ -209,7 +210,7 @@ else:
+         python_requires=">=3.7",
+         long_description=open("README.md").read(),
+         long_description_content_type="text/markdown",
+-        url="https://github.com/Chia-Network/chiavdf",
++        url="https://github.com/Chia-Network/chiapos",
+         ext_modules=[CMakeExtension("chiapos", ".")],
+         cmdclass=dict(build_ext=CMakeBuild),
+         zip_safe=False,
diff --git a/finance/py-chiapos/pkg-descr b/finance/py-chiapos/pkg-descr
new file mode 100644
index 0000000..8a70ec4
--- /dev/null
+++ b/finance/py-chiapos/pkg-descr
@@ -0,0 +1,5 @@
+Chia's proof of space is written in C++. Includes a plotter, prover, and
+verifier. It exclusively runs on 64 bit architectures. Read the Proof of
+Space document to learn about what proof of space is and how it works.
+
+WWW: https://github.com/Chia-Network/chiapos