稲妻は二度落ちる: プロトコルの控えめな存在感がビットコイン 2024 で話題をさらった

今年の Bitcoin 2024 カンファレンスを通して、私はその瞬間のハイライトは何か、つまりノイズの中に信号は何だったのかを何度も尋ねられました

ビットコイン 2024 では大きな話題となっているにもかかわらず、私はカンファレンスの際立った瞬間を特定するのに苦労していることに気づきました。あまりに膨大な量の活動に追いつくのが難しく、イベントをサポートするという私の役割のために、広範な出来事に十分に関与する時間がほとんどありませんでした。しかし、よく考えてみると、静かに話題をさらった存在の 1 つは、ライトニング ネットワークでした。

それが見出しに載っていないことに心配した人もいるかもしれないが、これは違うように感じた。 Lightning は登場しただけでなく、他のスケーリング レイヤーが主張できるものを超えて成熟しました。カジュアルなカンファレンス参加者にはほとんど気付かれないまま、この支払いプロトコルは主要なビットコイン インフラストラクチャのあらゆる部分に密かに組み込まれています。

世界の主要な取引所のほとんどが Lightning をサポートしており、ネットワーク上で最大のノードを実行している取引所もあります。そのドル建ての処理能力は史上最高に達しており、今週私が話をしたすべての通信事業者は、その信頼性が急速に向上していることを確認しました。

イベント中に繰り返されるナレーションでは、決済ネットワークとしてのプロトコルの約束が強調されました。当初は小売決済ソリューションとして宣伝されていましたが、Lightning の最新かつ最大の進歩は、流動性のニーズを満たすことを求めている企業や機関の間で行われる可能性があります。このビジョンは、特に Strike の Jack Mallers によって広められ、インフラストラクチャ会社 Lightspark が現在これらの成果の最前線に立つことで、これまで以上に具体的に感じられます。

先週の木曜日、ナカモトのステージで、Lightspark の共同創設者 Christian Catalini は、企業とさまざまな金融機関の間の橋渡しとしての Lightning の有利な立場を主張しました。

“If you think about the challenge of moving value not just between a few countries but two hundred or more countries, every day, 24/7, with deep liquidity. There is only one asset, and that asset is bitcoin. It has regulatory clarity, it has on and off-ramps in pretty much every country around the globe. Now we can connect it all in an open way.”

Lightspark's recent announcement of its partnership with Latin America's banking giant Nubank clearly outlines the potential for existing firms to modernize their infrastructure using the Lightning network.

Further strengthening the case of Lightning as a rail to connect the global economy, last week's release of Lightning Labs’ Taproot Asset protocol introduces yet another opportunity for the scaling layer to establish itself as the dominant value transfer protocol on the internet. Before Lightning can come for VISA, it might have to start by displacing SWIFT.

On the payment front, the talk of the town in Nashville was the improvement in user experience brought about by the arrival of features like BOLT12.

Years in the making, the payment protocol offers an intuitive way for users to receive Lightning payments without relying on unreliable, expiring invoices. It also paves a promising path toward improving users’ ability to receive payments offline, a major pain point of current implementations.

BOLT12 achieves this through static, reusable offers that do not compromise receiver privacy. Combined with other innovations like DNS payment instructions, it is now possible to create human-readable Bitcoin addresses (e.g., alex@twelve.cash) that support different payment formats. Imagine using a single identifier to receive on-chain and Lightning payments regardless of your preferred standards. Twelve.cash, a standout project from this year’s conference hackathon, did a remarkable job in this direction, aiming to provide “a simple way to share your bitcoin payment info with the world.”

Other forms of human-readable addresses have existed for some time using the LNURL format but the hope is for users to converge on more mature solutions. Long-time Lightning infrastructure provider Amboss also announced during the event a new Lightning wallet supporting a novel, multi-asset payment system they’ve called “MIBAN”.

Fragmentation between standards and compatibility issues is anticipated in open and permissionless financial systems. Lightning is further than any alternative in terms of optimizing around these interoperability challenges to ensure seamless payment experiences.

BOLT12 is currently supported by leading wallets like Phoenix and ZEUS, and could land on the Strike app soon. Following Bitcoin Park’s Lightning Summit around the same time last year, I remember feeling pretty disillusioned about the prospects of consumer Lightning apps. What a difference a year makes.

While a fully non-custodial experience might always command a premium, new optimizations and different security models are emerging that can meet retail users where they are.

This progress, at every level, would not be possible without the momentous efforts that have gone into infrastructure work over the last couple of years.

Lightspark, which supports Lightning integration for other industry giants like Coinbase and Bitso, is powered by Spiral’s Lightning Development Kit (LDK). Recently announced Alby Hub is also the first production wallet deployed using the LDK node library. Keep in mind LDK has been in the works for almost four years now. Good things take time. Many people I spoke to during the conference expect the scope and quality of projects to be deployed using this toolkit to significantly accelerate.

Another signal of the evolving Lightning infrastructure came from the release during the week of Bree

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