Lightning Network hits all-time high capacity. Fewer people are using it.

bitcoinindex.net · · 6 min read
Lightning Network hits all-time high capacity. Fewer people are using it.

On December 17, 2025, the Lightning Network hit 5,637 BTC in capacity. Around $490 million worth of Bitcoin locked into payment channels, more than at any point in the network’s history.

The headline writes itself: Lightning Network ATH. Bitcoin’s payment layer is thriving. The technology works.

But spend a few minutes with the data underneath that headline and the picture gets more complicated. Node count fell 28% from its 2022 peak. Channel counts are below their old highs. Active addresses are down 6% over 30 days. Transaction count declined even as total volume surged. And the growth driving the ATH? It came almost entirely from a handful of large exchanges.

This isn’t a doom story. But it’s not the story you’d write from the headline alone.

Who actually drove the ATH

The December surge was institutional, not grassroots. Amboss, whose analytics track the network’s activity, was clear about it: “It’s not just one company that’s putting more Bitcoin into the Lightning Network; it’s across the board.”

That “across the board” is doing a lot of work. Binance, OKX, and Kraken all significantly increased BTC deposits into Lightning channels in November and December. Coinbase, which integrated Lightning in March 2025, now routes more than 15% of Bitcoin withdrawals through it. Bitfinex has been on Lightning for years.

The pattern is consistent: large exchanges with massive existing channels stacking more BTC into those channels. Not new nodes. Not new participants. Deeper pockets in the same infrastructure.

This matters because capacity measures the ceiling on what the network could process, not what it actually does. When Binance adds BTC to an existing channel, capacity goes up. That doesn’t mean more payments are being made.

And on the ground-level metrics, the signs point in the wrong direction. The average node today runs fewer channels than in 2020. The Gini coefficient for channel distribution sits at around 0.97, meaning a tiny number of hub nodes control most of the liquidity. The self-sovereign node operator running a small routing node from home is a declining demographic. Lightning is consolidating into custodial infrastructure.

The usage gap

The most telling data point from 2025: Lightning transaction volume surged 266% year-over-year, while transaction count fell.

Fewer transactions, each moving more value. That’s the signature of institutional use cases, not everyday payments. Large transfers between exchanges. Settlement flows. Treasury operations. Not coffee purchases.

Lightning was designed to be a micropayment layer. The vision was millions of small, fast, cheap transactions. What’s materializing is something different: a high-value settlement network used by a shrinking number of large players. That might still be useful. But it’s not the original pitch.

Retail adoption stays stuck for a cluster of reasons that haven’t changed much. To receive Lightning payments, new users need inbound liquidity, which means someone else has to open a channel and commit Bitcoin on their side first. You can’t just download a wallet and start receiving. Channel management still requires active attention. In the US, Bitcoin is taxable as property, meaning every Lightning payment technically triggers a capital gains event. Try explaining that to someone who just wants to tip a content creator.

Custodial wallets (Strike, Cash App) solve the UX problems but defeat the point of self-custody. Non-custodial wallets like Phoenix and Breez are genuinely improving, handling most of the complexity automatically, but they still require users who care enough to seek them out. Mass adoption at scale probably means custodial Lightning, and custodial Lightning means trusting a third party in the same way you already trust a bank.

Two things that landed the same day as the ATH

On December 16, two events happened alongside Lightning’s new capacity record.

Lightning Labs shipped Taproot Assets v0.7. The update introduced permanent, reusable stablecoin addresses on Bitcoin (so you can give someone one address and they can pay you indefinitely, like an Ethereum address), fully auditable on-chain supply verification, and multi-path payments for large asset transfers. Lightning Labs described it as “laying the foundation for trillions of dollars to flow on Bitcoin and Lightning.”

That’s ambitious language. But the underlying technology is real and significant. Taproot Assets allows non-Bitcoin assets, stablecoins primarily, to be minted on the Bitcoin blockchain and moved through Lightning channels. It means USDT can settle instantly at near-zero cost on Bitcoin’s security layer, competing directly with Ethereum, Tron, and Solana for stablecoin transfer volume.

The same day, Tether led an $8 million investment round in Speed, a company building Lightning-native stablecoin payment infrastructure. Speed already processes over $1.5 billion in annual payment volume. Tether’s money signals real intent to push USDT onto Lightning rails.

The combination matters. One of the biggest barriers to Lightning for everyday payments is Bitcoin’s price volatility. People in El Salvador or Nigeria don’t want to hold BTC for daily spending if it might drop 20% this week. Taproot Assets removes that barrier: hold stablecoins, transact on Lightning rails, avoid the volatility entirely.

The Breez 2025 Lightning Network report put the user count at 650 million, driven by integrations with Cash App, Coinbase, and Nubank. That number requires a caveat: it counts anyone who could make a Lightning payment through these apps, not anyone who has. The actual transacting user base is much smaller. But the potential reach is real.

Bernard Parah, CEO of Bitnob, captured the actual use case that’s working best right now: “The same way [someone] pays for a cup of coffee in New York City is the same way [they] can now casually send $10 back home in Nigeria.”

Remittances. Cross-border transfers. Moving value between countries where the traditional system is slow and expensive. That’s where Lightning is actually making a dent. Piero Coen, co-founder of OSMO, which uses Bitcoin’s Lightning layer for fiat-to-fiat transfers, noted that most of his users have no idea they’re using Bitcoin at all: “Traditional bank transfers can take five days and cost you an arm and a leg. Bitcoin wasn’t just better money; it was also the infrastructure that could let us move value instantly across borders with minimal cost.”

What the record actually tells us

The Lightning Network’s ATH is real. The infrastructure is maturing. Institutional adoption is accelerating. BitGo, one of the largest crypto custodians, announced a partnership with Voltage on the same day that enables institutional clients to use Lightning through a simple API without managing nodes themselves, promising transactions “up to 90% faster and 90% cheaper than traditional on-chain Bitcoin transfers.”

That’s a meaningful development. Banks and large financial institutions now have a credible, managed on-ramp to Lightning settlement.

What hasn’t materialized is mass retail adoption. The capacity milestone reflects institutional capital, not a surge of everyday users making payments. The self-sovereign vision, where millions of people run their own nodes and route payments, is losing ground to custodial infrastructure.

That’s probably fine as a transitional phase. Real payment networks always centralize before they decentralize, if they decentralize at all. The stablecoin angle via Taproot Assets could open a genuine new vector for retail use: skip Bitcoin’s volatility, use Lightning’s speed, pay in USDT. That story is still early, but Tether’s money is evidence it’s not hypothetical.

CoinLaw projects Lightning could handle over 30% of all Bitcoin payment transfers by end of 2026 if current growth continues. That projection doesn’t come with a methodology, and it should be treated as directional at best. The infrastructure trend is real. Whether retail follows is a different question.

The ATH matters. What drives it matters more.


Sources: Bitcoin Magazine, Amboss, Lightning Labs, Breez Technology, BitGo/Voltage, CoinLaw, Tether/Speed. Capacity data as of December 2025.