Ah, the Lightning Network. Once hailed as the savior of Bitcoin, the solution that was supposed to bring Satoshi Nakamoto’s vision of a functional peer-to-peer digital cash network is now facing doubts.
An article published by industry publication Protos highlights the departure of several Lightning developers from the project, along with a mounting list of issues and glitches that need attention. Additionally, the liquidity on the network has been gradually decreasing.
Collectively, these factors suggest that, at the very least, there is a growing tolerance for highlighting imperfections in Bitcoin’s primary method of scaling.
Significant Problems Do Exist
There is some truth to this. In 2019, the co-creator of the network, Tadge Dryja, openly acknowledged the “limitations” of the scaling solution. Following some disagreements with leading Lightning developers at Lightning Labs on how to scale Bitcoin, Dryja decided to step back from directly contributing to the project. This happened just a few months after the launch of Lightning and almost four years after its initial proposal.
In a similar vein, Joseph Poon, one of the co-authors of the Lightning white paper, appears to have developed a growing fascination with blockchain scaling solutions taking place on alternative chains, such as Ethereum’s Plasma. He is currently engaged in the development of a novel form of decentralized exchange.
Throughout the years, a multitude of glitches have been discovered that have impacted Lightning and various versions of it. In 2022, for example, a glitch in Lightning Labs’ preferred implementation, LND, temporarily disrupted users’ ability to transfer funds to the mainnet for a few hours. (However, it is worth noting that in most cases, vulnerabilities are addressed and fixed before they can be taken advantage of.)
Some members of the Bitcoin community have expressed reservations about the privacy implications of Lightning and the potentially high costs associated with using this scaling solution. Users frequently express dissatisfaction with the “inbound capacity” design on Lightning, which imposes restrictions on the amount of BTC one can receive. This often results in users having to pay to receive funds or relying on subsidies from startups.
John Carvalho, a well-known figure in the Bitcoin community, has initiated the recent wave of Bitcoin Lightning discussion. Carvalho, who was previously a strong advocate for Lightning, has changed his stance after encountering challenges while developing software solutions on the platform. In a recent interview with Vlad Costea, Carvalho expressed his criticism of the protocol, highlighting its perceived complexity and fragility.
“After going through that experience, it has become apparent to me that the design is rather laughable,” Carvalho expressed. We can find a solution. We will strive to provide our utmost effort, but the stories that accompanied [Lightning] during its initial years were greatly embellished.”
Doubts About Lightning Network’s Capabilities Are Only Growing
There is a shift in opinion regarding Bitcoin’s Lightning Network, which has been touted as a possible alternative to Visa’s payment system and a catalyst for the widespread adoption of Bitcoin.
After reading Carvalho’s interview, Bitcoin developer Paul Sztorc shared an extensive compilation of concerns regarding the Lightning Network. These concerns revolve around its ability to handle the massive global population of over 8 billion individuals, the potential risks associated with interacting with certain parties, the reliability of payments, and the fact that the amount of Bitcoin utilized on the network is a minuscule fraction of the total circulating supply.
According to Protos, the overall quantity of BTC on the Lightning network has been gradually decreasing. It fell below the 5,500 BTC mark in December 2023 and currently stands at around 4,750 BTC. It appears that individuals may move away from Lightning, although it is important to highlight that the monetary value contributed to Lightning has increased twofold, reaching approximately $320 million today compared to $158 million at the same time last year.
Upon analyzing the data, the situation is somewhat perplexing: the quantity of Lightning nodes is gradually declining after reaching its peak in 2022, as are the connections between nodes. However, it is worth noting that the total transaction count has been steadily increasing.
CoinDesk does not claim to have the solutions, but Lightning’s expansion is currently stagnant at best. However, it would be an exaggeration to claim that public opinion has drastically shifted regarding Lightning. For quite some time now, there have been voices expressing skepticism about Lightning, arguing that it has been excessively hyped and that its enthusiasts have been fostering impractical expectations.
During the initial extensive testing of the Lightning network, a notable social media hashtag cautioned users about the potential risks associated with using Lightning. The hashtag advised users to exercise caution and only transfer an amount of funds that they were comfortable with potentially losing.
There have been and continue to be valid concerns regarding the Lightning network, which should be expressed if any enhancements are to be made. Opening and closing channels can be quite challenging and costly. There are a plethora of security and scalability concerns. The custodial solutions that frequently enable Lightning to be used in daily life bring back the issues that Bitcoin was created to address.
One silver lining in this situation is that when it comes to Bitcoin, its most ardent proponents often serve as its most insightful evaluators.