There is no chain. It uses a set of protocols that have no consensus. They run in the browser. Here is a relevant merged feature in the ThreadsDB library today,

There is no chain. It uses a set of protocols that have no consensus. They run in the browser. Here is a relevant merged feature in the ThreadsDB library today, https://github.com/textileio/js-threads/pull/136 https://github.com/textileio/js-threads/pull/136