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Jameson Lopp has been on the front lines of the battle between technologists and those who want to preserve Bitcoin as it is since the scaling debates of 2015–2017.


The topic arouses such passion that many suspect it was a disgruntled Bitcoiner opponent who called down an armed SWAT team to his home, leading him to famously go underground.

Lopp blamed the 2017 incident on the “same old same old: Bitcoin philosophy and scaling debate arguments. A few of the more extreme cases think I’m some kind of manipulative monster.”

Lopp, who is currently the chief technology officer for decentralized wallet service Casa, is an advocate for cautious progress who commands respect among the Bitcoin community.  

Speaking from an undisclosed location, Lopp says he worries the backlash against Ordinals NFTs might result in lower support for much-needed future upgrades. Ordinals were largely an unexpected result of the 2021 Taproot soft fork.

“The problem that I see is that there’s a lot of ossification proponents out there. And they’re pointing at Ordinals and inscriptions and saying, ‘You see, this is what happens when you change the protocol. It gets abused and used in ways that were not intended,’” he says.

But Lopp says the alternative is every bit as risky. He has carefully considered the problem of  Bitcoin’s “ossification” — where the network becomes so big “it kind of gets crushed under its own weight and unable to change itself.”

Beer
Jameson Lopp enjoys a beer bought with Bitcoin. (Twitter)

Lopp uses email as an example of an internet protocol that ossified in the 1990s, leaving it with little ability to deal with the massive volumes of spam that subsequently arose.

Instead, corporations constructed expensive centralized reputation services on top to sort out spam from legit emails, and today, large numbers of emails that don’t comply with the arcane rules of the systems simply disappear into a black hole. And users are still deluged with spam.  



“As of today, something like 90% of all email users are captured by five corporations. So, I think we have to ask ourselves: Is that the mainstream adoption of Bitcoin that we want to see? And if not, then what do we need to do to prevent that?”

For Lopp, scaling Bitcoin — something he’s been agitating for, for years — remains the big challenge as the Lightning Network is “not going to fix everything.”

“If you talk to any of the developers, who’re pretty deep into the protocol, you’ll be hard-pressed to find any of them who think that we should ossify the protocol now. There’s so much work to be done.”

“Honestly, I don’t know how much time we have left to do that.”

Historically, Lopp’s company Casa has been solely focused on Bitcoin, but last month, it outraged puritans on social media by adding Ethereum to its multisignature self-custody solutions. It highlights the fact Bitcoin has a fast-growing challenger snapping at its heels if it lets up the pace. 

Southern Man Jameson Lopp
You can take the Bitcoiner out of the south, but… (Twitter)

Who is Jameson Lopp?

Lopp grew up in a “fairly typical Southern American conservative household” in North Carolina, where his father’s side of the family has lived since the 1700s. It was clear from early on that he was super bright, and his parents pushed him hard to achieve great things at school.

“I read probably several grades above my reading level, and I read all the time. I had a special exemption at the library to check out more books than you are normally allowed to just because I was going through such a high volume of them.”

Placed into high-level courses, he often wound up sitting on his own doing separate assignments from the rest of the class, something of a “social outcast.” 

“On the social side, I would just get even more awkwardness and sort of abuse because I would sometimes use vocabulary that nobody else was using, and they were like, you know, ‘Who is this alien guy?’”

Lopp ended up joining Mensa in 2010, mainly to see if he could pass the test requiring an IQ in the top 2%. Naturally, he set up a Mensa Bitcoin special interest group, though he says super-smart people don’t necessarily get Bitcoin any faster than anyone else and points to the dismissive reaction to Satoshi’s original announcement about Bitcoin.

“The people who were responding to that email were not stupid. They were incredibly intelligent people. But if you’re intelligent enough, you can always find reasons why something won’t work.”

Coming of age

After school, Lopp headed to study computer science at the “very liberal” University of North Carolina at Chapel Hill. Brought up to be a very conservative Republican, he says university “swung my perspective a little bit more outside of the sort of family and household standards that I had been used to.” He ended up voting for Obama in 2008, Libertarian in the following election, and now believes he can have more impact building decentralized financial infrastructure than voting.

“These days, I view politics at a very arm’s length amused perspective.”

He worked in email marketing for years in one of the tech areas near Raleigh, moving up from working on the web app to large-scale data analysis. Like most people in tech, he read about Bitcoin a few times and dismissed it as “nerd money that was going to end badly” before finally reading the white paper in 2012.

“I was just blown away,” he says, noting that Satoshi approached the double-spending and Byzantine generals problem from the exact opposite direction of the “performance and efficiency” mindset Lopp had been taught.

“When I read the white paper and I saw the solution to the problem, I was amazed because it was both elegant and ass-backward,” he says. 

“The solution was to make everything really, really expensive in terms of resource usage. I was like, wow, I never in a million years would have thought to try that because it just goes against our nature as computer scientists.”

Jameson Lopp
Supplied image of Jameson Lopp.

Bitcoiners back then were primarily libertarians, cypherpunks and crypto-anarchists, and the chance to find an alternate way forward was part of the appeal.

“We can build alternative power structures, alternative systems that don’t rely upon any of the existing infrastructure. And basically, we can create our own rules for how these systems should operate.”

Lopp forks Bitcoin Core

Within two years, Lopp had created a fork of Bitcoin Core called Statoshi to “bring more transparency and understanding to the internal operations of a Bitcoin node.” He applied for a grant from the Bitcoin Foundation to work full time on the project but never heard back. Five years later, he discovered he’d been successful, but the foundation fell apart before he received any money.

Lopp also applied to work at Coinbase in 2015 and “never even got an interview,” but his work on Statoshi did land him a gig running the nodes for institutional custody and infrastructure provider BitGo. He also began to nurture his public profile, ramping up his research and writing — he’s written for CoinDesk, Cointelegraph and Forbes — tweeting more often, organizing Meetups and presenting at events. He’s now a regular at conferences around the world, but it wasn’t easy to start. 

“I’m definitely an introvert, though you wouldn’t know it because I do all of these public speaking events. But that took a lot of practice to do.”

Jameson Lopp grenade
Lopp was happy to lob the occasion grenade during the scaling debates. (Twitter)

Lopp says the block size wars (2015–2017) was the period when he started to become really well-known in Bitcoiner circles. Initially, he was on the big blocks side, writing an article in 2015 calling for an increase in the 1MB size of blocks to increase capacity and suggesting blocks may one day hit 10GB. He also supported the Bitcoin XT fork of Bitcoin Core, which ended up part of Bitcoin Cash.

“That was really a result of what I had been doing as an engineer for the past decade,” he says, adding that he’d spend much of each year prepping for the Black Friday and Cyber Monday sales because “if you couldn’t handle that, then it would be a bad user experience, you would lose customers, you would lose money, and the business would not grow as quickly.” He didn’t want Bitcoin to lose potential users through a bad experience with the slow, expensive blockchain.

However, his perspective started to change when he realized the impact bigger blocks would have on his own work at BitGo, writing services that talked to the nodes.

“I started to see the opposite side of the argument,” he explains. “Even with these ‘tiny’ 1MB blocks, it was quite challenging for me to write services that could ingest all of this blockchain data at a very fast pace.”

It took weeks sometimes to get a new indexing service up and running from scratch, and doubling or tripling the block size would require exponentially more resources “to the point where only the largest enterprises who had a lot of money to throw at this problem would even be able to run the nodes and the services on top of them.”

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So, while Lopp ended up strongly supporting SegWit as a practical solution and thinks Bitcoin is superior to any other cryptocurrency as “sound money,” he also sees room for experimentation on other protocols, and on Bitcoin.

“A lot of people get very ideological and, in some cases, puritanical about this stuff,” he says. “Bitcoin is not a kitchen sink type of protocol there. There’s a lot of things that you can’t do on Bitcoin that you can do with other protocols.”

Su Casa, mi Casa

Lopp joined the decentralized Bitcoin self-custody service Casa in 2018 and was soon promoted to chief technology officer. He also has the title of co-founder. Casa is an alternative to centralized custodians and offers a range of multisignature wallet plans that enable users to avoid losing their funds in security incidents and to recover lost or stolen keys. 

Casa began support for Ethereum last month and claims it’s the first company to enable self-custody of both Bitcoin and Ether with up to five keys for distributed security. ERC-20 and NFT support is in the works. 

“Obviously, there were a few clients who fell into the sort of extreme Bitcoin-only camp who went their own way,” says Lopp, adding that this was expected. “Really, it’s this loud, tiny minority that can seem a lot bigger than they are if you’re on social media. But in reality, I would say most of our clients and most Bitcoiners, in general, are pretty moderate and kind of apathetic about all of the drama.”

He says the decision resulted from user demand because many existing clients “do have more diverse portfolios, and they want to have that same level of security for assets other than Bitcoin.”

The loud, tiny minority goes SWATing

The famous SWATing incident happened after his views began to evolve. A 911 caller claimed to be holed up at Lopp’s house with hostages, having already shot someone.

“By my voice, you can tell I’m not in a mental health state right now. I’m on drugs. I’m all over the place. I don’t know what to do. […] If I don’t get $60,000, I’m going to blow the whole fucking block up.”

Heavily armed cops arrived at his home, guns drawn. Lopp wasn’t home at the time and arrived to find his neighborhood shut down and crawling with dozens of patrol units, a SWAT team, a mobile command post, a fire truck and a paramedic. He had a conversation with a cop to find out what happened, not realizing he was the suspect.

Lopp recounts a chat with a cop on his blog. (Cypherpunk Cogitations)

Following the incident, Lopp tweeted a video of himself firing off an AR-15 rifle as a warning to anyone trying to find him.

The incident also inspired Lopp’s radical privacy experiment to live off the grid and off the radar of the authorities. Apart from standard stuff like using VPNs, private mailboxes and using fake names, it also involved setting up a bunch of limited liability companies to apply for bank accounts and credit cards one step removed. He mainly spent cash, used burner phone numbers and even bought “the crappiest, cheapest hole in the wall I could find that has a physical mailbox” as a physical address to get a driver’s license.

“I determined that the amount of effort and especially money that is required to do it is going to price almost everybody out of doing this,” he says, adding the fact that you have to lie to everyone was also likely to deter people from trying it.

“Everyone in my physical proximity, my neighbors, they only know my pseudonym. And you know, I have my backstory, and I literally had to create this whole alternate persona, but not so different, it would be difficult for me to make it believable. So, like, I’m still a software engineer who knows a lot about security.”

Lopp maintains a GitHub list of “known physical Bitcoin attacks,” which spans from Hal Finney getting SWATed in December 2014 to a couple in Queens, New York who in mid July were mugged by assailants disguised as FBI agents that stole their car, $40,000 in cash and their crypto.

The No. 1 lesson to take from the list is that the fewer people who know they can rob you of your crypto by threatening you with a $5 wrench, the better. So it’s interesting to learn that prior to his SWATing, Lopp used to drive around in a flashy Lotus Elise with a BITCOIN license plate, basically inviting attacks.

Although many people thought it was a Lamborghini, Lopp says that “it was actually a salvage title car that I got for $20,000.” He eventually sold it, but he has the BITCOIN license plate hanging on the wall behind him during our interview as a memento. These days, Lopp drives “extremely common vehicles that are mass-produced by the millions.”

Jameson Lopp
The Bitcoin number plate has been retired. (Twitter)

Future progress for Bitcoin

Pushing for progress on Bitcoin while not destroying all of the things Bitcoiners hold dear has always been a thorny problem. Roger “Bitcoin Jesus” Ver couldn’t solve it and went off with the Bitcoin Cash camp, who then split off with Craig “No, I really am Satoshi” Wright heading up Bitcoin SV.

There are also Bitcoiners trying to change it from within, like Eric Wall and Udi Wertheimer, who have embraced Ordinals. Wall is also investigating scaling Bitcoin using the same zero-knowledge proof technology being used to scale Ethereum via Starknet.

Lopp says he’s focused on a variety of improvements that can be made to “let people start building more outside of the base protocol.”

“You don’t need to go through the same onerous process to develop on a second layer, you don’t have to make these sweeping consensus changes that are really risky,” he explains.

“That’s one of the reasons why I want to see a lot more second layers other than just Lightning. I want to see more sidechains, drive chains, rollups, so on and so forth. Because I think that that is going to enable more innovation, more experimentation.”

Andrew Fenton

Andrew Fenton

Based in Melbourne, Andrew Fenton is a journalist and editor covering cryptocurrency and blockchain. He has worked as a national entertainment writer for News Corp Australia, on SA Weekend as a film journalist, and at The Melbourne Weekly.

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One year of Starmer: Nine charts that tell us whether Labour’s first year has been a success or failure

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One year of Starmer: Nine charts that tell us whether Labour's first year has been a success or failure

It might feel like it’s been even longer for the prime minister at the moment, but it’s been a whole year since Sir Keir Starmer’s Labour Party won a historic landslide, emphatically defeating Rishi Sunak’s Conservatives and securing a 174-seat majority.

Over that time, Sir Keir and his party have regularly reset or restated their list of milestones, missions, targets and pledges – things they say they will achieve while in power (so long as they can get all their policies past their own MPs).

We’ve had a look at the ones they have repeated most consistently, and how they are going so far.

Overall, it amounts to what appears to be some success on economic metrics, but limited progress at best towards many of their key policy objectives.

From healthcare to housebuilding, from crime to clean power, and from small boats to squeezed budgets, here are nine charts that show the country’s performance before and after Labour came to power, and how close the government are to achieving their goals.

Keir Starmer leaves 10 Downing Street.
Pic Reuters
Image:
Sir Keir Starmer has been in office for a year. Pic Reuters

Cost of living

On paper, the target that Labour have set themselves on improving living standards is by quite a distance the easiest to achieve of anything they have spoken about.

They have not set a specific number to aim for, and every previous parliament on record has overseen an increase in real terms disposable income.

The closest it got to not happening was the last parliament, though. From December 2019 to June 2024, disposable income per quarter rose by just £24, thanks in part to the energy crisis that followed Russia’s invasion of Ukraine.

By way of comparison, there was a rise of almost £600 per quarter during the five years following Thatcher’s final election victory in 1987, and over £500 between Blair’s 1997 victory and his 2001 re-election.

After the first six months of the latest government, it had risen by £144, the fastest start of any government going back to at least 1954. As of March, it had fallen to £81, but that still leaves them second at this stage, behind only Thatcher’s third term.

VERDICT: Going well, but should have been more ambitious with their target

Get inflation back to 2%

So, we have got more money to play with. But it might not always feel like that, as average prices are still rising at a historically high rate.

Inflation fell consistently during the last year and a half of Rishi Sunak’s premiership, dropping from a peak of 11.1% in October 2022 to exactly 2% – the Bank of England target – in June 2024.

It continued to fall in Labour’s first couple of months, but has steadily climbed back up since then and reached 3.4% in May.

When we include housing costs as well, prices are up by 4% in the last year. Average wages are currently rising by just over 5%, so that explains the overall improvement in living standards that we mentioned earlier.

But there are signs that the labour market is beginning to slow following the introduction of higher national insurance rates for employers in April.

If inflation remains high and wages begin to stagnate, we will see a quick reversal to the good start the government have made on disposable income.

VERDICT: Something to keep an eye on – there could be a bigger price to pay in years to come

‘Smash the gangs’

One of Starmer’s most memorable promises during the election campaign was that he would “smash the gangs”, and drastically reduce the number of people crossing the Channel to illegally enter the country.

More than 40,000 people have arrived in the UK in small boats in the 12 months since Labour came to power, a rise of over 12,000 (40%) compared with the previous year.

Labour have said that better weather in the first half of this year has contributed to more favourable conditions for smugglers, but our research shows crossings have also risen on days when the weather is not so good.

VERDICT: As it stands, it looks like “the gangs” are smashing the government

Reduce NHS waits

One of Labour’s more ambitious targets, and one in which they will be relying on big improvements in years to come to achieve.

Starmer says that no more than 8% of people will wait longer than 18 weeks for NHS treatment by the time of the next election.

When they took over, it was more than five times higher than that. And it still is now, falling very slightly from 41.1% to 40.3% over the 10 months that we have data for.

So not much movement yet. Independent modelling by the Health Foundation suggests that reaching the target is “still feasible”, though they say it will demand “focus, resource, productivity improvements and a bit of luck”.

VERDICT: Early days, but current treatment isn’t curing the ailment fast enough

Halve violent crime

It’s a similar story with policing. Labour aim to achieve their goal of halving serious violent crime within 10 years by recruiting an extra 13,000 officers, PCSOs and special constables.

Recruitment is still very much ongoing, but workforce numbers have only been published up until the end of September, so we can’t tell what progress has been made on that as yet.

We do have numbers, however, on the number of violent crimes recorded by the police in the first six months of Labour’s premiership. There were a total of 1.1m, down by 14,665 on the same period last year, a decrease of just over 1%.

That’s not nearly enough to reach a halving within the decade, but Labour will hope that the reduction will accelerate once their new officers are in place.

VERDICT: Not time for flashing lights just yet, but progress is more “foot patrol” than “high-speed chase” so far

Build 1.5m new homes

One of Labour’s most ambitious policies was the pledge that they would build a total of 1.5m new homes in England during this parliament.

There has not yet been any new official data published on new houses since Labour came to power, but we can use alternative figures to give us a sense of how it’s going so far.

A new Energy Performance Certificate is granted each time a new home is built – so tends to closely match the official house-building figures – and we have data up to March for those.

Those numbers suggest that there have actually been fewer new properties added recently than in any year since 2015-16.

Labour still have four years to deliver on this pledge, but each year they are behind means they need to up the rate more in future years.

If the 200,000 new EPCs in the year to March 2025 matches the number of new homes they have delivered in their first year, Labour will need to add an average of 325,000 per year for the rest of their time in power to achieve their goal.

VERDICT: Struggling to lay solid foundations

Clean power by 2030

Another of the more ambitious pledges, Labour’s aim is for the UK to produce 95% of its energy from renewable sources by 2030.

They started strong. The ban on new onshore wind turbines was lifted within their first few days of government, and they delivered support for 131 new renewable energy projects in the most recent funding round in September.

But – understandably – it takes time for those new wind farms, solar farms and tidal plants to be built and start contributing to the grid.

In the year leading up to Starmer’s election as leader, 54% of the energy on the UK grid had been produced by renewable sources in the UK.

That has risen very slightly in the year since then, to 55%, with a rise in solar and biomass offsetting a slight fall in wind generation.

The start of this year has been unusually lacking in wind, and this analysis does not take variations in weather into account. The government target will adjust for that, but they are yet to define exactly how.

VERDICT: Not all up in smoke, but consistent effort is required before it’s all sunshine and windmills

Fastest economic growth in the G7

Labour’s plan to pay for the improvements they want to make in all the public services we have talked about above can be summarised in one word: “growth”.

The aim is for the UK’s GDP – the financial value of all the goods and services produced in the country – to grow faster than any other in the G7 group of advanced economies.

Since Labour have been in power, the economy has grown faster than European rivals Italy, France and Germany, as well as Japan, but has lagged behind the US and Canada.

The UK did grow fastest in the most recent quarter we have data for, however, from the start of the year to the end of March.

VERDICT: Good to be ahead of other similar European economies, but still a way to go to overtake the North Americans

No tax rises

Without economic growth, it will be difficult to keep to one of Chancellor Rachel Reeves’ biggest promises – that there will be no more tax rises or borrowing for the duration of her government’s term.

Paul Johnson, director of the Institute for Fiscal Studies, said last month that she is a “gnat’s whisker” away from being forced to do that at the autumn budget, looking at the state of the economy at the moment.

That whisker will have been shaved even closer by the cost implications of the government’s failure to get its full welfare reform bill through parliament earlier this week.

And income tax thresholds are currently frozen until April 2028, meaning there is already a “stealth” hike scheduled for all of us every year.

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One year of Keir: A review of Starmer’s first 12 months in office

But the news from the last financial year was slightly better than expected. Total tax receipts for the year ending March 2025 were 35% of GDP.

That’s lower than the previous four years, and what was projected after Jeremy Hunt’s final Conservative budget, but higher than any of the 50 years before that.

The Office for Budget Responsibility (OBR) still projects it to rise in future years though, to a higher level than the post-WWII peak of 37.2%.

The OBR – a non-departmental public body that provides independent analysis of the public finances – has also said in the past few days that it is re-examining its methodology, because it has been too optimistic with its forecasts in the past.

If the OBR’s review leads to a more negative view of where the economy is going, Rachel Reeves could be forced to break her promise to keep the budget deficit from spiralling out of control.

VERDICT: It’s going to be difficult for the Chancellor to keep to her promise

OVERALL VERDICT: Investment and attention towards things like violent crime, the NHS and clean energy are yet to start bearing fruit, with only minuscule shifts in the right direction for each, but the government is confident that what’s happened so far is part of its plans.

Labour always said that the house-building target would be achieved with a big surge towards the back end of their term, but they won’t be encouraged by the numbers actually dropping in their first few months.

Where they are failing most dramatically, however, appears to be in reducing the number of migrants making the dangerous Channel crossing on small boats.

The economic news, particularly that rise in disposable income, looks more healthy at the moment. But with inflation still high and growth lagging behind some of our G7 rivals, that could soon start to turn.


The Data and Forensics team is a multi-skilled unit dedicated to providing transparent journalism from Sky News. We gather, analyse and visualise data to tell data-driven stories. We combine traditional reporting skills with advanced analysis of satellite images, social media and other open source information. Through multimedia storytelling we aim to better explain the world while also showing how our journalism is done.

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Sweden’s justice minister says to ‘turn up the pressure’ on crypto seizures

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Sweden’s justice minister says to ‘turn up the pressure’ on crypto seizures

Sweden’s justice minister says to ‘turn up the pressure’ on crypto seizures

Gunnar Strömmer reportedly said that Swedish authorities had confiscated more than $8.3 million worth of criminal profits since a law related to seizures was passed in 2024.

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US Senator Lummis’s crypto tax relief plan fuels DeFi momentum: Finance Redefined

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US Senator Lummis’s crypto tax relief plan fuels DeFi momentum: Finance Redefined

US Senator Lummis’s crypto tax relief plan fuels DeFi momentum: Finance Redefined

Increasing US regulatory clarity is enabling more traditional finance participants to seek out decentralized financial solutions.

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