Blockstream releases c-lightning 0.6 for Bitcoin Lightning Network

Blockstream, a leading developer in blockchain and financial cryptography announced that the team has released version 0.6 of c-lightning, a Lightning Network implementation in C. The c-lightning implementation is a go-to code and specification for enterprise Lightning Network deployments on Bitcoin and is what powers Blockstream’s Lightning Charge HTTP Rest API.

An important milestone for the project, this release is a complete rewrite of the previous implementation and is the first fully specification-compliant release of c-lightning. It migrates away from the protocol used while designing the specification toward a new architecture that is modular and extensible and better equipped to adapt to developer needs and infrastructure.

The Blockstream c-lightning team remarked that today was a significant day in the growth and development of the Lightning Network: All three of the Lightning implementations (Eclair, lnd, and c-lightning) are now in beta.

Lightning Network Growth

The Lightning Network has grown steadily since the introduction of the Blockstream Store in January. The team says that around the announcement of the Blockstream Store, the Lightning Network had a total of 46 open channels and 0.682 BTC in capacity.

Today, there are roughly 7,800 open channels with 26 BTC of capacity. That is a 16,856% rise in channels and a 4,084% increase in channel capacity in less than 6 months.

Lightning Network Growth, Credit: Blockstream

New features in the c-lightning 0.6 release

On future plans, the Blockstream team said:

“Our work with c-lightning is far from done; we are constantly working on features and enhancements, as well as improvements to performance, stability, and usability. Didn’t find your favorite feature? Have some feedback that might be helpful? Why not file an issue on Github, drop us a line on the mailing list, or contact us on IRC.”

“In parallel, we are also contributing to the advancement of the Lightning specification itself and are actively researching what the next iteration of the protocol could look like through initiatives like our eltoo proposal and upstream Bitcoin proposals such as SIGHASH_NOINPUT.”

“We’d like to thank the many contributors who have not only contributed code to c-lightning, but also those who were #reckless enough to test and give feedback about what works and what could be improved. And finally, we’d like to thank the other Lightning Network teams, ACINQ and Lightning Labs, as well as all individual contributors that pitched in to make the Lightning Network community such a pleasant, collaborative and open environment!”

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