Lightning isn’t flawless, and it’s going to have to evolve if it wants to make bitcoin more than simply a store of value.
Some hail the Lightning network as the final piece of the Bitcoin puzzle. Lightning adds scalability to Bitcoin’s already robust security and decentralization, making bitcoin viable as a currency for small daily transactions.
But Lightning isn’t flawless, and it’s going to have to evolve if it wants to make bitcoin more than simply a store of value.
The benefits of the Lightning network have been clear from the start. It offers the ability to make transactions almost instantly and with considerably lower fees than on-chain transactions.
In simple terms, Lightning makes it just as easy to pay with bitcoin as it would be to pay with a debit or credit card. In fact, in cases where Lightning is properly and efficiently implemented into payment systems, it’s even quicker and easier.
And unlike traditional payment systems, there’s no need to trust a third party to handle your funds, and it doesn’t take several days behind the scenes for the transaction to actually be settled.
Not only this, but Lightning also reduces congestion on the Bitcoin network, which reduces transaction fees and freeing up space for transactions to be included in blocks more quickly. Effectively, this means that Lightning is beneficial even for people who don’t actually use it.
With the innovation solving such a pressing issue with the Bitcoin network, the amount of bitcoin stored in Lightning payment channels has steadily climbed, even during the bear market.
While these advantages are substantial, the Lightning network is not without its hurdles. One persistent issue is the potential loss of funds when a channel is closed. If a payment channel is closed with transactions still pending, it will never be confirmed and the bitcoin will never reach the recipient.
Channels must be actively managed and balanced to maintain their functionality, which can require ongoing user attention. Liquidity can be an issue, as channels have limited capacity, potentially leading to routing difficulties and transaction failures. Additionally, Lightning nodes must remain constantly online to route payments, which poses a challenge for users seeking reliability in the network.
The complexity of operating Lightning nodes also remains a challenge, with many individuals still relying on custodial wallets to simplify their user experience, flying in the face of the Bitcoiner mantra “Not your keys, not your bitcoin.”
There are two intriguing possibilities for the future evolution of the Lightning network. In one scenario, we see the network becoming increasingly user-friendly, with easy-to-run nodes accessible to everyone. This added ease of use causes non-custodial wallets to become the norm, empowering users with greater control over their funds.
The network might introduce automatic channel balancing or an account system with arbitrary transaction sizes, eliminating the need for constant user intervention. Enhanced liquidity and routing efficiency could further establish Lightning as the go-to solution for fast, low-cost, and secure Bitcoin transactions.
Alternatively, the Lightning network might transform into a fully custodial system, where traditional banks or financial institutions adopt and integrate Lightning as part of their services. In this scenario, the burden of running nodes is shifted away from individual users, placing trust in established custodial entities.
While this would simplify the user experience, it would sacrifice some of the core principles of decentralization and user autonomy that have defined the Lightning network and Bitcoin as a whole.
Considering the two possibilities for what the Lightning network might become, or how it might be integrated into existing financial apparatus, there are two paths its evolution might take.
First, if Lightning prioritizes decentralization and self-sovereignty, it will simplify and enhance the user experience. Simplifying the node set-up process will be crucial, as well as making node management as user-friendly as possible.
Currently, custodial wallets are the norm. A competitive market of non-custodial wallets will need to emerge and offer considerably greater ease of use than is currently available in order to entice people to take on the responsibility of managing their own private keys and securing their funds.
Channel balancing will either need to become automatic or done away with entirely in favor of an account system — similar to how traditional online banking works (although this could create centralization issues for the network). Solutions to Lightning’s liquidity difficulties will also need to be found.
Second, it is likely that most people ultimately will choose a custodial path, similar to how banking currently works.
The average person simply doesn’t want the burden of responsibility that comes with securing and managing their own funds, and would rather place that burden in the hands of a trusted third party.
This scenario commences with traditional financial institutions actively pursuing strategic partnerships with Lightning network service providers, seamlessly integrating Lightning technology into their pre-existing systems.
The introduction of custodial Lightning wallet services, orchestrated by banks and financial intermediaries, takes center stage and the main emphasis is on ease of use and robust customer support.
Striving to align with regulatory requirements, custodial Lightning services institute stringent know-your-customer and anti-money laundering procedures.
As time unfolds, traditional financial entities ascend to dominate the Lightning network landscape by marketing their services toward a broader, mainstream audience. Eventually, those that choose to retain control of their holdings become the minority, a transformation that could potentially relegate the original decentralized, non-custodial Lightning model to the fringes of the network’s ecosystem.
The good news for those that wish to remain self-sovereign is that non-custodial options will always remain available, allowing them to exist outside the traditional financial realm to some degree.
The Lightning network stands as a transformative force for Bitcoin, offering unprecedented speed and cost-efficiency.
However, challenges persist, some of which include potential fund loss, the need for active channel management, limited capacity, and the need for Lightning nodes to constantly be online.
The network's evolution may lead to two potential futures: a user-centric, self-sovereign approach with simplified processes and non-custodial wallets, or a custodial model integrated with traditional finance which would trade decentralization for convenience.
The path forward depends on user choices and developer innovations, but for those of us who wish to achieve financial self-sovereignty, Lightning offers that chance regardless of the path it takes.