Bitcoin: The Emerging Layer of Global Finance

In his recent remarks, Marcus highlighted that Bitcoin’s infrastructure is now ready to scale globally thanks to the Lightning Network. Unlike traditional financial systems — such as SWIFT, which handles around $5 trillion daily, and Visa, which processes roughly $33 billion — the Lightning Network has the potential to support nearly free and instantaneous transactions.

Marcus emphasized that Bitcoin’s rise to surpass these systems will not happen overnight. Instead, he expects the expansion of wallet technologies and embedded payment systems to gradually accelerate mainstream adoption. This transition, he noted, will unfold alongside the ongoing digital transformation of global financial infrastructure.

The Role of Lightspark and the Lightning Network

Marcus’s company, Lightspark, is building scalable infrastructure to strengthen the Lightning Network and enhance Bitcoin’s utility as a payment system. Since 2023, the Lightning Network’s capacity has grown by over 3,000%, and the number of active nodes has surpassed 20,000 — a sign of the network’s accelerating maturity.

Lightspark provides APIs and SDKs that allow developers and businesses to easily integrate Lightning payments into their systems. These advancements make it technically feasible for Bitcoin to handle millions of transactions per second, positioning it as a serious competitor to existing global payment networks. Marcus believes these innovations will enable Bitcoin to evolve beyond its speculative image and function as a true financial backbone for the digital economy.

Institutional Adoption and Bitcoin’s Transformation

Marcus also pointed out that institutional adoption continues to strengthen Bitcoin’s position in global markets. With a market capitalization nearing $1.3 trillion and daily on-chain volumes ranging from $15 billion to $20 billion, Bitcoin is steadily gaining credibility among major investors and corporations.

He further noted that the emergence of stablecoin projects on Bitcoin — including Stacks and RGB — could accelerate this adoption wave. By allowing stablecoins to be issued directly on the Bitcoin network, these initiatives may drive wider use in both retail and cross-border payments.

As of 2025, Bitcoin’s hash rate has reached record highs, reinforcing its network security and reliability. Marcus concluded that once the infrastructure fully matures, Bitcoin will be able to rival traditional payment systems in both scale and efficiency — marking a new era in the evolution of global finance.

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On April 9, Dorsey replied to a post on X by Bitcoin developer Calle, who suggested BTC would be ideal for Signal’s private messaging structure. Dorsey agreed, saying: “Signal should use Bitcoin for P2P payments.”

Industry Leaders Back the Call!

Dorsey’s suggestion received support from prominent figures like former PayPal president David Marcus, who stated, “All non-transactional apps should connect to Bitcoin.”

These endorsements reflect growing sentiment that Bitcoin should be utilized not only as a store of value, but also as a practical payment network. Dorsey believes BTC needs real-world use cases to ensure its future success.

Signal Only Supports Sentz (Formerly MobileCoin)

Launched in 2014, Signal is an open-source, encrypted messaging platform offering instant messages, voice, and video calls.

Currently, the only in-app payment option is Sentz (formerly known as MobileCoin – MTCN), a privacy-focused ERC-20 token.

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According to Signal’s website, the token is still listed under its old name, MobileCoin.

Backed by top crypto investors like BlockTower Capital and Coinbase Ventures, Sentz aims to offer a “fast, private, and user-friendly” crypto payment experience.

MobileCoin Integration Has Been Controversial

Signal’s 2021 integration of MobileCoin sparked backlash due to alleged ties between the app’s founder and MTCN, questions around the coin’s issuance, and abnormal price movements prior to the announcement.

Social Media Apps Historically Prefer Altcoins

Signal is not alone in favoring altcoin payments over Bitcoin, which its anonymous creator Satoshi Nakamoto envisioned as a P2P payment system.

While David Marcus now supports Bitcoin for all non-transactional apps, he previously led Meta’s ill-fated crypto project, Libra.

Telegram is actively promoting the use of Toncoin (TON) across its ecosystem — a token tied to its founders but not directly operated by Telegram.

Meanwhile, Elon Musk’s “everything app” X has long been rumored to launch its own token, but Musk denied these claims in August 2023.

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The post Jack Dorsey Pushes Signal to Adopt Bitcoin Payments appeared first on Coin Engineer.

Calacanis: “Time to Build a New Bitcoin”

Speaking to his 981,600 followers on X on March 14, Jason Calacanis said:

“Bitcoin has been a great game, but a few major players have taken over the market. It’s time to reset the game and build a better Bitcoin.”

Calacanis had also been an early investor in Robinhood and Keza, two Bitcoin-focused startups. Nevertheless, he claimed that Bitcoin, like all technologies, will eventually give way to new alternatives.

A New Opportunity for Bitcoin Layer-2 Projects!

In response to Calacanis’ remarks, many founders and executives of Bitcoin-focused initiatives emphasized that nothing can replace Bitcoin. However, they also highlighted the growing significance of layer-2 protocols built on the Bitcoin network.

Brady Swenson, co-founder of Swan Bitcoin, commented:

“Winning protocols aren’t replaced by something else; they are built upon.”

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Meanwhile, Cory Klippsten argued that Bitcoin is not just a technology but a revolution.

Lightspark CEO David Marcus also chimed in, saying Bitcoin’s functional gaps can be addressed through layer-2 solutions, adding:

“Trying to build a better Bitcoin is a fool’s errand.”

Bitcoin Gets Harder to Change as It Grows!

Many experts pointed out that Bitcoin’s massive network effect makes it increasingly powerful. While Muneeb Ali, one of the founders of Stacks, predicted that two-thirds of current Bitcoin layer-2 projects will disappear within three years, most agreed that Bitcoin itself cannot be replaced.

Bitcoin advocate Wayne Vaughan stated:

“People who see Bitcoin as just an asset or an application think it can easily be replaced, but Bitcoin is actually a network.”

Strive Funds CEO Matt Cole was even more direct:

“There will not be a better Bitcoin.”

This isn’t the first time Jason Calacanis has caused a stir in the crypto world. Back in 2020, he claimed that almost every crypto project globally was run by either “unqualified idiots” or “scammers.”

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