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Today, we at Lightning Labs are announcing the release of lnd 0. This release marks the 4th major release of lnd and the first Lightning mainnet beta, an important milestone. With this release, lnd has gained a considerable feature set, deeper cross-implementation compatibility, a new specialized wallet seed, comprehensive fault-tolerance logic, a multitude of bug fixes, and much more! Note that this release is intended for developers of future Lightning applications Lapps along with technical users and prospective routing node operators.
As this is the first mainnet release of lnd , we recommend that users experiment with only small amounts craefulgang craefulgang craefulgang! We believe that lnd 0. A few of the highlights more detail can be found in the release notes:. Now, users who prefer to run lnd with bitcoind can do so using the instructions here. New seed format, deterministic keys - a new and improved key creation and recovery system makes it much easier to backup lnd nodes and also makes recovery from data loss or corruption simpler and more reliable.
These improvements are also necessary for remote backup services, which will provide additional safety for Lightning users. Vastly improved fault-tolerance - safety and security of user funds is of the utmost importance, and a great deal of effort has gone into making lnd secure and stable in the event of power failures, network failures, hardware failures, or other unexpected or adversarial conditions.
Ensuring that necessary recovery information is stored at all times and can be correctly reloaded upon restart and reconnection to the Lightning Network has been a major undertaking for 0. Smarter Path-Finding - lnd 0. Making this process automated, fault-tolerant, and intelligent has demanded an immense amount of effort, but is critical to the safety of funds managed by lnd. As a result, all transactions, even regular on-chain transactions, will benefit from lower fees and will be healthier for the network.
Routing node metrics - lnd now provides tools to track fees and payments at high volume, which is of particular interest to those operating transaction routing nodes. Tools such as these can be used to optimize revenue, throughput and reliability. Let the gamification begin! This release of lnd contains several breaking changes. In other words, any previous lnd mainnet installations are not compatible with the beta.
As a result, users will need to upgrade using a completely fresh installation or remove their existing channel. As a courtesy, we recommend that users close out any existing channels cooperatively if the peer is online, or force close otherwise before upgrading.
A new utility command in the command-line interface, lncli closeallchannels has been added to streamline this process. Typically, Lightning nodes need to be online in order to protect against these events, but watchtowers provide this protection for nodes that have intermittent connectivity, e.
Even for connected nodes, watchtowers can serve as a secondary line of defense in the face of unplanned service outages. The user sees only the total amount of the transaction, without needing to be aware that AMP is being used behind the scenes. AMPs also ease the mental burden of using channels, allowing a user to interpret their balance readily as the sum of balances in channels.
This is made possible by the ability to send and receive an AMP-like payment over multiple channels, at both source or sink. Desktop and mobile apps - lnd Routing node tools and guides - more advanced Lightning users may want to support the network while earning fees with their bitcoin by running routing nodes.
New tools and additions to lnd will help routing node operators optimize revenue, maximize uptime, and manage capital. Next-generation Autopilot and Mission Control - currently, lnd uses relatively simple heuristics for Autopilot peer finding and Mission Control routing.
These will be further optimized to provide a more reliable, faster user experience. Cross-chain atomic swaps - cross-chain swaps enable instant, trustless exchange of assets residing on separate blockchains such as Bitcoin and Litecoin, without the systemic risk introduced by custodial exchanges.
Lightning will enable more liquid exchanges, and cross-chain swaps will be a key component for decentralized exchange infrastructures.