There are many ways you can run a Lightning node, from a small mini-PC hosted in your home, to a dedicated server, to a hosted server in the cloud. The method you choose will depend on the resources you have and how much money you want to spend.
There are many ways you can run a Lightning node ranging from a small mini-PC hosted in your home or a dedicated server to a hosted server in the cloud. The method you choose will depend on the resources you have and how much money you want to spend.
==== Why is reliability important for running a Lightning Node?
In Bitcoin, unless one is specifically running a mining node, hardware is not particularly important.
In Bitcoin hardware is not particularly important unless one is specifically running a mining node.
The Bitcoin Core node software can be run on any machine that meets its minimum requirements and does not need to be online to receive payments; only to send them.
If a Bitcoin node goes down for an extended period of time, the user can simply reboot the node and once it connects to the rest of the network, it will re-sync the blockchain.
In Lightning however, the user needs to be online both to send _and_ to receive payments. If the Lightning user is offline it cannot receive any payments from anyone and thus its open invoices cannot be fulfilled.
Furthermore, the open channels of an offline node cannot be used to route payments. Your channel partners will notice that you are offline and cannot contact you to route a payment. If you are offline too often, they may consider the Bitcoin locked up in their channels with you to be "wasted" capacity, and may close those channels. We also consider the case of a Protocol Breach i.e. your channel partner tries to cheat you by submitting an earlier commitment transaction. If you are offline and your channels aren't being monitored, then the theft could succeed and you will have no recourse once the timelock expires.
In Lightning, however, the user needs to be online both to send _and_ to receive payments. If the Lightning user is offline it cannot receive any payments from anyone and thus its open invoices cannot be fulfilled.
Furthermore, the open channels of an offline node cannot be used to route payments. Your channel partners will notice that you are offline and cannot contact you to route a payment. If you are offline too often, they may consider the Bitcoin locked up in their channels with you to be underutilized capacity, and may close those channels. We already discussed the case of a protocol attack where your channel partner tries to cheat you by submitting an earlier commitment transaction. If you are offline and your channels aren't being monitored, then the attempted theft could succeed and you will have no recourse once the timelock expires.
Hence, node reliability is extremely important for a Lightning node.
There is also the issue of hardware failure and loss of data. In Bitcoin, hardware failure can be a trivial problem if the user has a backup of their mnemonic phrase or private key. The Bitcoin wallet and the bitcoin inside the wallet be easily restored from the private key on any computer or hardware wallet, and the blockchain can be re-downloaded from any peer.
There are also the issues of hardware failure and loss of data. In Bitcoin, a hardware failure can be a trivial problem if the user has a backup of their mnemonic phrase or private keys. The Bitcoin wallet and the bitcoin inside the wallet can be easily restored from the private keys on a new computer. Most information can be re-downloaded from the blockchain.
In Lightning however, the information about the user's channels, including the commitment transactions and revocation secrets, are not publicly known and are only stored on the individual user's hardware.
Thus, hardware failure in the Lightning Network can easily result in loss of funds.
In contrast, in Lightning the information about the user's channels, including the commitment transactions and revocation secrets, are not publicly known and are only stored on the individual user's hardware.
Thus, software and hardware failures in the Lightning Network can easily result in loss of funds.
==== What are the types of hardware Lightning Nodes?
Andreas M. Antonopoulos
4 years ago
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GitHub