1. Hash time locked contracts. Wiki post. https://en.bitcoin.it/wiki/Hash_Time_Locked_Contracts
2. Community, L.N.: Bitcoin transaction and script formats. https://github.com/lightningnetwork/lightning-rfc/blob/master/03-transactions.md
3. Community, L.N.: Wip: dual funding (v2 channel establishment protocol). Github Issue. https://github.com/lightningnetwork/lightning-rfc/pull/524
4. Decker, C.: Privacy in lightning. Blog post (2018). https://snyke.net/post/privacy-in-lightning/
5. Decker, L.N.C.: New release: c-lightning 0.7.1. Blostream Blog Post. https://medium.com/blockstream/new-release-c-lightning-0-7-1-9fca65debeb2