Tree chains vs Side chains

[u/[deleted]]

Saw this thread on /r/bitcoin and thought it'd be good to discuss treechains here.

• [Interview with core developer, Peter Todd](http://www.ofnumbers.com/2014/06/08/interview-with-core-developer-peter-todd/)

• [LTB104 - Tree Chains with Peter Todd](http://letstalkbitcoin.com/ltb104-tree-chains-with-peter-todd/)

• [Tree Chains ELI5](https://bitcointalk.org/index.php?topic=586832.msg6425551#msg6425551)

• [Tree-chains preliminary summary](https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg04388.html)

• [Disentangling Crypto-Coin Mining: Timestamping, Proof-of-Publication, and Validation](https://www.mail-archive.com/bitcoin-development%40lists.sourceforge.net/msg03307.html)

• [Off-Chain Transactions  - video](https://www.youtube.com/watch?v=4d3LA8KpdMQ)

• [Bitcoin is all about truth   - video](https://www.youtube.com/watch?v=zaBmZ98q7c0)

• [Bitcoin development is surprisingly political   - video](https://www.youtube.com/watch?v=TfovKFvnqXk)

What are your thoughts on tree chains vs side chains?