Distribution?

[nilskp]

The API is distributed as an API-only JAR (secp-api-version.jar)

Distributed, where?

[msgilligan]

Version 0.0.1 is here: https://gitlab.com/bitcoinj/secp256k1-jdk/-/packages
Version 0.0.2 will be released in the coming weeks.

Later releases will be on Maven Central.

[nilskp]

The JAR is empty. Only contains META-INF folder.

[nilskp]

As far as I can tell, all the jars are empty

[msgilligan]

They are definitely not empty. How are you downloading them?

Let's focus on secp256k1-api-0.0.1.jar. You can see the file size is 11.74 KiB and the SHA-1 hash is 9bb287bfbe45110fcc6d64e9fefc99e90fee27c9 here:

https://gitlab.com/bitcoinj/secp256k1-jdk/-/packages/24986024

[nilskp]

Ah, the api jar. I downloaded the jdk jar,

[nilskp]

Can you clarify the purpose of each jar?

[msgilligan]

Can you clarify the purpose of each jar?

See the README. The only jars most people should be using are the -api and the -foreign (-ffm in current master and in version 0.0.2) jars.