Blockstream Says Its C-Lightning Software Team Is The First To Release Working Version Of ‘Multi-Part Payments’
Blockstream Says Its C-Lightning Software Team Is The First To Release Working Version Of ‘Multi-Part Payments’
December 23, 2019
Blockstream Says Its C-Lightning Software Team Is The First To Release Working Version Of ‘Multi-Part Payments’
Blockstream Says Its C-Lightning Software Team Is The First To Release Working Version Of ‘Multi-Part Payments’
December 23, 2019

Blockstream, a Bitcoin tech startup, said that its c-lightning software team is the first to release a working version of “multi-part payments.” 

It has been reported that c-lightning v0.8.0 is a big improvement for the user experience of the lightning network, a new layer that’s probably Bitcoin’s best shot at scaling to support a larger number of payments.

However, the change updates the plumbing of lightning network payments, so that users can send larger lightning payments, with a much smaller risk of them failing.

Christian Decker, the Lightning Developer, explains:

“The user experience of lightning clients is a topic that is brought up often, and we are working actively on improving the status quo, together with the teams working on other lightning implementations. Our goal is to make using lightning as easy as using an on-chain wallet.”

It has been analyzed that there is a chance that there will not be enough liquidity in the network to support the transaction, especially for larger payments, as a user sends 0.5 Bitcoins across the network. Under the hood, it bounces from one node to the next until it reaches its destination. Each of those nodes needs to have 0.5 Bitcoins that it can pass on to the next node.

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Likewise, if one of the nodes in the path doesn’t have enough Bitcoin, the user is out of luck and the payment fails.

However, multi-part payments tackle this problem by making it possible to break a payment into smaller pieces that are easier to send across the network, since a user can combine Bitcoin from multiple channels they have open to send payments.

Decker writes:

“Multi-part payments allow a lightning node to bundle the capacity in all its channels when making a payment, making larger payments than any individual channel on its own would allow. This greatly reduces the headache of managing how many channels to open, and how to allocate funds to them, since you can now simply combine them as and when necessary.” 

Notably, while this release supports sending these types of payments, it still isn’t possible to receive them. That functionality is still being worked on.

Decker also claims the code change also “greatly increases” the resiliency of the entire payment network. Since users sending payments are less likely to have to transact with a large node, that’s a “single point of failure.”

Christian Decker

He continued:

“The capacity of the largest channel used to be the limiting factor when performing payments. As such, users were incentivised to open a single channel, with as many funds as possible, to a node that was as stable as possible. This led to users rating the reliability of nodes before opening a channel with them, since that node would now be their single point of failure, i.e., if that node was down, they couldn’t do much. With multi-part payments, users can now open multiple channels to multiple nodes, while at the same time being sure that the funds will be there when they need it. For the network, this means more connectivity and better resilience against the threat of big nodes suddenly disappearing.”

Thus, Blockstream says that the technology will be expanded upon in future releases.

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Ishita Bora

Ishita Bora is a Senior Content Creator at Digital Notice Media Labs with experience of 1.5 years. She has completed her Master's Degree in Language and Linguistics in 2019 from Gauhati University, India. Her interest lies in blockchain technology and cryptocurrency space. She loves writing about blockchain and other blockchain-related articles.