diff --git a/finance/py-chiapos/Makefile b/finance/py-chiapos/Makefile
new file mode 100644
index 0000000..531c287
--- /dev/null
+++ b/finance/py-chiapos/Makefile
@@ -0,0 +1,21 @@
+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=	${PYTHON_SITELIBDIR}/pybind11:devel/py-pybind11@${PY_FLAVOR}
+
+USES=		python:3.6+
+
+USE_PYTHON=	autoplist concurrent distutils
+
+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..0184cc5
--- /dev/null
+++ b/finance/py-chiapos/files/patch-setup.py
@@ -0,0 +1,10 @@
+--- setup.py.orig	2021-06-01 01:50:59 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++)",
diff --git a/finance/py-chiapos/pkg-descr b/finance/py-chiapos/pkg-descr
new file mode 100644
index 0000000..e1f07a9
--- /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://pypi.org/project/chiapos/