The under is a direct excerpt of Marty’s Bent Issue #1286: “The first mainnet DLC on Lightning has been executed.” Sign up for the newsletter here.
Transaction graph displaying how the DLC was executed
through Crypto Garage
It’s been precisely 11 months and two days since we wrote about discreet log contracts (DLCs) on this rag. For these of you who are a bit rusty or fully ignorant with reference to what a Discreet Log Contract is, it is a particular kind of bitcoin transaction that executes a wise contract with info supplied by an oracle.
For instance, if two individuals need to guess on the end result of Saturday’s NBA contest between the 76ers and Grizzlies they may create a DLC by locking up funds in a multisig tackle, pre-setting up consequence transactions — if the 76ers win ship the sats to this tackle, if the Grizzlies win ship the sats to this tackle — and selecting an oracle, an organization that publishes last scores, e.g., Statmuse. The oracle offers a hash of the end result of the sport. When the sport is over on Saturday the DLC may very well be closed out by the winner of the guess by signing the transaction that strikes the sats within the sensible contract to their tackle utilizing the hash of the end result supplied by Statmuse.
A sports activities guess is however one instance. Individuals may determine to wager on the value of bitcoin, the hash price at a sure block peak, the temperature on a selected day, and even create peer-to-peer derivatives just like the group from ItchySats has executed. If you freaks have been following our protection of DLCs all through the years, you in all probability know that your Uncle Marty is fairly bullish concerning the potential for DLCs to disrupt quite a few industries. However, to date, one of many issues limiting DLCs from hitting a vital tipping level is the truth that they have solely been performed on chain. Considering what number of potential purposes that would leverage DLCs and what number of finish customers they may doubtlessly contact, the considered scaling this use case on chain appears untenable, particularly if one considers the potential for durations of elevated transaction charges that make sure DLCs uneconomical. To me, it is sensible for DLCs to function on Layer 2 protocols, just like the Lightning Network or Fedimint, which have comparatively low cost charges.
Well, the Crypto Garage group announced that they efficiently opened and closed a Lightning channel with an embedded DLC channel on mainnet. Per their blogpost, it seems just like the Crypto Garage group forked the Lightning Development Kit to add assist for splitting a Lightning channel, which has enabled them to create a DLC channel inside a Lightning channel. From there, they have been ready to create particular transactions — a break up transaction and a glue transaction — that may allow the totally different events engaged in a DLC to replace the state of their contract inside the Lightning channel and the DLC channel with out giving one of many events an unfair benefit, which was one of many large design challenges that was beforehand unsolved. This is an enormous step in the suitable path.
With that being stated, the Crypto Garage group is warning that this implementation is in its very early days and shouldn’t be thought-about steady. In reality, they warn that you just are doubtless to lose your sats when you attempt to execute this on mainnet. Nonetheless, this is unbelievable to see. Shoutout to the Crypto Garage group and people who helped them out for pushing this ahead.
Slowly however certainly, as each naysayer on the planet is claiming bitcoin a failed Ponzi scheme, those that acknowledge the revolutionary nature of the protocol are constructing the instruments that make bitcoin extra helpful for people the world over.
