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Seedless Keys And DLCs: How Lava Is Making Bitcoin Custody Easy

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Company Name: Lava

Founders: Shehzan Maredia

Date Founded: January 2022

Location of Headquarters: New York, USA (with some remote employees)

Amount of Bitcoin Held in Treasury: N/A

Number of Employees: 7

Website: https://www.lava.xyz/

Public or Private? Private

Shehzan Maredia wants to make custodying Bitcoin easy.

This is why he founded Lava, an app that he and his team have created that allows users to purchase bitcoin, transact with both bitcoin and stablecoins globally and now hold their bitcoin in self-custody without having to write down a seed phrase.

Maredia is one of a growing list of entrepreneurs in the Bitcoin space who believes that seed phrases — lists of 12 to 24 words used to recover funds from lost or stolen cryptocurrency wallets — are hindering mainstream adoption of bitcoin. He thinks that seedless alternatives to self-custody will help onboard the masses.

“I realized that seed phrases were a big barrier to adoption,” Maredia told Bitcoin Magazine, “and I went down the rabbit hole [to make] something better.”

After months of R&D, Maredia developed a solution that’s now at the heart of the design of the Lava app: Lava Vault.

Lava Vault

After testing a number of different self-custody setups, Maredia and his team arrived at a unique multisignature solution that became the backbone of the Lava Vault.

“We built this two-of-two recovery solution for self-custody where you can attach one part of the two-of-two to your cloud account and the other is a four digit PIN,” he explained.

“If I have your four digit PIN, I can’t steal your money because I don’t have access to your cloud account. If I have access to your cloud account, I don’t have your four digit PIN, and I can’t brute force it,” he added.

Maredia and the team at Lava call this design the Lava Smart Key, and they believe that it’s helping to provide simpler self-custody for those who otherwise might not want to take on the responsibility.

“We’ve actually seen a bunch of people using it that previously would have just bought bitcoin and kept it on Coinbase,” he said.

What is more, Lava Vault works seamlessly with Lava Exchange, another product Lava recently rolled out.

Lava Vault + Lava Exchange = Auto-Onboarding To Self-Custody

It’s often challenging for new Bitcoin users to tell the difference between a custodial wallet that an exchange provides and a self-custody wallet. It can be overwhelming for someone new to Bitcoin to go through the process of moving their bitcoins from an exchange wallet into self-custodial wallet, especially if the exchange offers both (e.g., Coinbase).

Lava removes this difficulty, though, as it allows users to purchase bitcoin within the app — at the best rate available — before automatically sending that bitcoin into self-custody.

“We have this exchange aggregator we’ve built,” said Maredia.

“If you want to buy bitcoin today, you have to figure out which exchange — Kraken, Coinbase. So, we work with a lot of them. We know what price they offer you based on your order, and we just route you to the best exchange through Lava,” he added.

Once users make their purchase, the bitcoin shows up in their Lava Vault.

“This is super useful if I’m trying to onboard users to self-custody,” said Maredia. “Now, I can tell them to download directly to self-custody, which largely increases the likelihood that they will continue to use self-custody.”

Once users have their bitcoin or stablecoins in self-custody via Lava, they can use either asset to make transactions permissionlessly with anyone in the world. And soon they will also be able to borrow dollars against their bitcoin without having to turn their bitcoin over to a third party.

Lava Loans

Maredia and the Lava team recently released a beta version of a new product called Lava Loans, which Maredia describes as a “self-custodial version of BlockFi.”

BlockFi, now defunct, was a platform that allowed users to use bitcoin as collateral for a loan. The main difference between a platform like BlockFi and Lava is that users had to give up custody of their bitcoin to BlockFi to use the service.

“Lava Loans is the first way to borrow against your bitcoin without giving it to a custodian or bridge,” said Maredia.

Maredia created this product because he both saw the demand for it and wanted something like this for himself.

“There’s a lot of Bitcoiners who don’t want to sell their bitcoin,” shared Maredia.

“I don’t want to sell my bitcoin either, because it’s appreciating. I’d rather borrow against it at a lower interest rate than it’s appreciating,” he added.

He also noticed that the other methods of borrowing against one’s bitcoin are both highly inefficient and expensive.

“There are billions of dollars of bitcoin-secured loans happening with custodians or with Wrapped Bitcoin (WBTC),” he explained.

“To get Wrapped Bitocin, you have to take your Bitcoin, KYC yourself, put it on an exchange, pay fees to mint it, pay a bunch of network fees to move it onto Ethereum and then once you’re done using Wrapped Bitcoin, move it back to your exchange, pay extra fees to unwrap your Bitcoin and move it back to self-custody. And you probably have tax obligations for wrapping your Bitcoin, too,” he added.

“I want to get these people using native bitcoin. We can increase the market size of people who are using actual bitcoin as collateral.”

Discreet Log Contracts (DLCs)

Lava Loans employs a specific type of smart contract on Bitcoin called Discreet Log Contracts (DLCs).

Maredia explained that DLCs are safer than the types of smart contracts often deployed on other major crypto networks.

“DLCs are interesting because you’re basically just using the Bitcoin layer one to lock your Bitcoin and release it under some predefined set of conditions,” he explained.

“[As opposed to] smart contracts on Ethereum or Solana that constantly keep getting hacked, DLCs are basically a bunch of pre-signed transactions that you encrypt. You almost get formal verification of your system by default, because you know that the money that’s locked in the smart contract between you and your counterparty can only be moved under this predefined set of conditions that you have verified,” he added.

“So, there’s a lot less technical risk versus writing arbitrary code deployed on the EVM that anyone can poke around with and exploit.”

Maredia also shared that the Lava team is composed of a number of engineers who contributed to early DLC standards.

“There’s probably like 10 people, a lot of which work at and contribute to Lava right now, who know about this tech,” explained Maredia, who also shared that the potential of DLCs has yet to be fully realized largely because of how new the technology is. “Not too many people know about [DLCs, but] that’s because the tech is early and we’re building it.”

Move Slowly And Safeguard Things

Unlike many in the crypto and broader tech space who take the “Move fast and break things” approach, Maredia and his team are analytical and thorough. They prefer to conduct research and test products rigorously before bringing them to market.

“We’ve been doing a lot of R&D over the last two years,” said Maredia.

“We were experimenting with lots of things. Even before we built Lava Smart Key, Lava Exchange and Lava Loans, we had been experimenting with a lot of different ways to do loans, to do self-custody security and to do on-ramp and off-ramp,” he added.

“This new self-custody security solution is a product of the last eight to ten months of experimentation.”

Maredia added that while Lava Loans is likely months away from going live, the beta version of the product has been functioning well and providing he and his team with important feedback.

“Everything’s coming together,” he concluded.

Lava is a portfolio company of UTXO Management, a regulated capital allocator focused on the digital assets industry. Bitcoin Magazine is owned by BTC Inc., which operates UTXO Management. UTXO invests in a variety of Bitcoin businesses, and maintains significant holdings in digital assets.





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Blackrock CEO Is Right: Trump and Kamala Can’t Stop Bitcoin

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I’ll admit – just a few years ago, I’d be shocked to hear myself say that the CEO of BlackRock is making good points about Bitcoin.

As head of the world’s largest asset manager, I assumed Larry Fink would be Bitcoin’s biggest critic. But compared to dismissive remarks on Bitcoin from other Wall Street leaders like Jamie Dimon, Fink’s perspective is a refreshing change.

If you think otherwise, yesterday’s earnings call proves it.

There, Fink declared, “I’m not sure if either president would make a difference” on Bitcoin’s growth,” adding “I don’t believe [Bitcoin’s rise] is a function of regulation.”

He went on to compare Bitcoin’s growth to much larger markets like mortgages, noting liquidity and transparency drives adoption more than rules.

It’s wild that the CEO of an $11 trillion company is not just embracing Bitcoin, but that he gets that Bitcoin thrives because it is an apolitical, decentralized, global money.

Regulation aside, Bitcoin marches on indifferently. Fink seems to grasp what many Bitcoiners don’t – that political winds don’t sway Bitcoin’s course long-term. Neither Donald Trump or Kamala Harris can stop Bitcoin from setting new all-time highs.

Bitcoin thrives on its own technical merits, not regulatory benevolence.

This independence was always its promise. Now, the world’s financial giants aren’t fighting it, but joining in. Bullish.





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Vexl: The Next Generation Bitcoin P2P Trading App

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Company Name: Vexl

Founders: Lea Petrášová, Marek Palatinus and Pavol Rusnak

Date Founded: June 2022

Location of Headquarters: Prague, Czech Republic

Amount of Bitcoin Held in Treasury: The majority of the treasury is bitcoin

Number of Employees: 5 full-time employees and 5 part-time employees/volunteers

Website: https://vexl.it/

Public or Private? Private

Lea Petrášová is a cypherpunk at heart with over 10 years of experience in the world of software development.

This made her a perfect candidate to help create Vexl, an open-source app that enables users to conduct private peer-to-peer bitcoin transactions in a relatively easy manner.

With Vexl, Petrášová and the team from SatoshiLabs (well-known for creating Trezor hardware wallets) created what Petrášová terms a “social network” that connects buyers and sellers of bitcoin via the contacts in their phone as well as the contacts of their contacts. What is more, the communication between users is private, and Vexl doesn’t charge for the service it provides.

Petrášová and the team at Vexl are on a mission to enable people to use Bitcoin the way it was intended to be used — without KYC, privately and without third-party intermediaries involved in the process.

We spoke with Petrášová to get more details on Vexl’s mission.

Frank Corva: Please tell us about Vexl’s mission.

Lea Petrášová: We believe that without the freedom to transact, we have no other rights. Bitcoin gives us the ultimate entry ticket to a financial system that is not inherently exploitative and oppressive.

However, for it to serve this purpose, it cannot be tied to one’s identity. We provide our users with an option to buy or sell bitcoin peer-to-peer without KYC, in a way that is not only private, but also accessible, user-friendly, and secure.

Corva: What were you doing before Vexl?

Petrášová: I used to be a project manager for a small venture fund that also operated as a software house. In 2018, I launched a spin-off focused exclusively on web3 development, particularly in DeFi. While the projects were academically interesting, after selling the company, I realized I wanted to dedicate my time and energy solely to Bitcoin.

Corva: How did the idea for Vexl come about and how did you get involved?

Petrášová: This idea had actually been brewing in Slush‘s (co-founder of SatoshiLabs, Trezor, Vexl) mind for a few years. As one of the industry’s OGs, he anticipated the regulations long before they came into effect.

When he found out I had recently wrapped up my previous job, he reached out and pitched what would later become Vexl, essentially offering me the opportunity to take on the executive management of the project. I didn’t hesitate for a second.

Corva: Vexl seems to embrace much of the bitcoin ethos. It’s an app that allows for peer-to-peer trading, it doesn’t require much KYC and it’s open-source. Why was it important for you to design it this way?

Petrášová: We’re not just Bitcoiners; we’re also cypherpunks and activists.

When we came up with Vexl, we were solving our own problem: how to buy or sell Bitcoin without KYC, outrageous fees, or significant security and safety risks.

We couldn’t design a product we wouldn’t be willing to use ourselves. There was never any debate about the nature of the software—we knew from day one it had to be open source, KYC-free, and peer-to-peer.

However, we spent a lot of time researching and balancing the “trilemma” of usability, security, and privacy.

Corva: What has it been like to work with Pavol Rusnák, a legend in the bitcoin/crypto wallet space?

Petrášová: Humbling. He’s the kind of thinker you can ask any question, and he’ll respond with an original answer. The range of his knowledge and interests is deeply impressive. Yet, he approaches people and projects with kindness, respect, and most importantly, a great sense of humor. He’s truly inspiring.

Corva: You don’t plan to monetize Vexl. Why?

Petrášová: We strongly believe in the importance of our mission and are committed to making it as accessible as possible.

Corva: How will Vexl continue to exist if you don’t monetize it?

Petrášová: We rely directly on donations and grants. I have deep gratitude and mad respect for everyone who has helped us make Vexl a success. But thanks to open source, if, for any reason, we were to fail, I want to believe that someone else would pick up where we left off and keep things moving forward.

Corva: Vexl is essentially a messaging app, something that connects buyers and sellers to transact between themselves much like LocalBitcoins did. Why did you create something like this right now?

Petrášová: Because we clearly saw the need. Think about it — Bitcoin is currently the 6th largest monetary asset, aspiring to become a global, universal store of value.

Governments, through various third parties and financial institutions, can create registries of bitcoin holders. These individuals could then be censored, prosecuted, taxed, and have their ownership controlled, compromised, or even outlawed.

Knowing the identities of Bitcoin users weakens Bitcoin’s ability to function as a store of value independent of state power. That was the first part of our motivation.

The second part of our motivation was much more practical: Every time I orange-pilled someone and didn’t want to send them to an exchange, I didn’t have a good alternative. My options were either selling them my own bitcoin or going through a lengthy search to find someone else who could.

Don’t get me wrong, I’m a huge fan of platforms like LocalBitcoins. But as someone who has never bought bitcoin with KYC or registered on an exchange, I know firsthand the limitations that come with options like this.

Corva: How does Vexl differ from other P2P apps like Hodl Hodl, Bisq and Peach Bitcoin?

Petrášová: Well, first of all, we’re a non-profit, so we operate in a completely different space. I don’t see other solutions out there as competing, rather view them as complementary.

The real innovation that Vexl introduces is our unique reputation model. On our marketplace, you can only view anonymized offers from your contacts and their contacts. Until both parties decide to reveal their identities, you don’t know who the other person is, but you can always see how many mutual contacts you share and who those people are, and eventually ask them for a reference.

This allows you to better assess the individual risk of the counterparty, which is nearly impossible when you’re connecting two strangers from opposite sides of the world — not to mention, it can be downright dangerous if you’re using a fiat wire transfer for settlement.

If you really think about it, we managed to bring a real-world reputation into an app. And this social aspect — human interactions and experience — can’t be replaced by any technology. That’s why on Vexl there is no escrow, no fees, and no need to already have bitcoin in order to join.

Lastly, I’m particularly proud of our user experience. While creating Vexl, I kept asking myself, “Could my aunt use this without a hitch?” That mindset shaped our UI, and I believe it’s far more user-friendly than anything else out there.

Corva: Why does Vexl not push to decentralize its backend?

Petrášová: We’re a non-profit with very lean operations. In a team as small as ours, we have to think twice when choosing what to prioritize.

While decentralizing the backend is something we’ll focus on in the future, right now our backlog is full of more pressing app improvements.

What’s great is that Vexl is already politically decentralized. Anyone who doesn’t want to rely on my decisions can simply take the code and alter it however they see fit.

Corva: Why does Vexl ask for phone numbers?

Petrášová: If you zoom out, you’ll see that Vexl is, ultimately, a social network. Anyone who has ever tried to build one from scratch will agree that it’s an incredibly difficult task. So, we chose a different route: Why not build on top of an existing network? But then came an even bigger question: Which one?

We also wanted something that’s not going away anytime soon and that’s widely adopted across the world.

The answer was clear to us: using phone numbers and contact lists. From there we just had to find a way to use them while still keeping them private and secure.

Corva: Do you ever see mass adoption of Vexl or do you think the average person will find going to a regulated exchange like Kraken more convenient?

Petrášová: Sometimes I get asked what my biggest apprehension is as the CEO of a Bitcoin company, and my answer is always “ignorance.” People often don’t care about financial freedom until it’s too late.

That being said, nothing is better marketing for us than the current financial system becoming more and more unbearably unusable and commerce becoming increasingly permissioned. From this perspective, it would be a beautiful world if tools like Vexl became obsolete.

But Vexl has been invented, and it cannot be uninvented. Maybe it will be used for peer-to-peer bitcoin transactions. Or it might be used in the gig economy or to pay for goods in bitcoin.

Ever since we introduced categories in the marketplace, we’ve seen circular economies booming. I’m building Vexl for everyone who has the courage to claim their financial sovereignty — even if it only serves a small community of users.

Corva: Where are you seeing the most adoption for the app thus far? Why do you think people in these regions are adopting it?

Petrášová: Most of our users are from the Czech Republic and Slovakia. I think the success has a lot to do with the history of these countries and their economic isolation during communist times. There is a long tradition of people hedging against oppression with stronger currencies and participating in the gray economy. Additionally, the support of SatoshiLabs definitely helped us a lot during the launch, especially in Slovakia and the Czech Republic, where SatoshiLabs is well-known and respected.

We also see significant growth in Germany, Austria, Italy, Switzerland and the UK, mostly scaling through meetups. In recent months, I am really thrilled to see local Vexl initiatives thrive in African countries, as well.

Corva: What’s next for Vexl?

Petrášová: Over the course of the summer, we managed to successfully rewrite our backend, which had been a major hurdle for future development. This opened up the opportunity for us to introduce a wide variety of improvements to the social network that we had on our roadmap for a long time.

Another major focus is providing education about the importance of non-KYC Bitcoin. It’s disturbingly common that users don’t realize the true cost they pay for comfort or convenience when giving up their personal data on financial institutions.



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Mark Cuban Tells Harris Camp FTX Debacle Could Have Been Avoided in US Under Different SEC Leadership

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Billionaire investor Mark Cuban says he told Vice President Kamala Harris’ crypto advisor over lunch the collapse of FTX could have been avoided if U.S. Securities and Exchange Commission Chair Gary Gensler had not been at the helm.

Speaking during an interview with Farokh Sarmad of Rug Radio, a sister company of Decrypt, Cuban criticized the SEC’s reliance on enforcement through litigation rather than implementing proactive regulation tailored to the crypto industry.

“What I said was, ‘Look at FTX US and FTX Japan.’ I said, ‘If Gary Gensler would have done just what they did in Japan—FTX, Three Arrows Capital— none of them would have gone out of business,’” Cuban told Sarmad. 

The SEC did not immediately return Decrypt’s request for comment.

Cuban pointed to Japan’s regulatory framework, which mandates that crypto businesses collateralize digital assets held on behalf of customers, as a model that could have prevented the crisis that shook the industry in 2022.

The island nation became one of the first major economies to implement a comprehensive regulatory framework for digital assets. Its Financial Services Agency framework for regulating crypto exchanges is part of the country’s Payment Services Act and Financial Instruments and Exchange Act. 

Coming into effect in 2017, Japan’s framework mandates strict oversight of crypto exchanges, including the requirement for exchanges to separate customer assets from their own and maintain sufficient reserves to ensure that customer funds are protected. 

Regulations were further strengthened after the Coincheck hack in 2018, leading to stricter oversight and additional requirements for crypto exchanges to safeguard customer assets, including enhanced security protocols and capital requirements.

In particular, Japan requires crypto businesses to hold collateral for digital assets they manage on behalf of customers, ensuring that the assets are backed and protected in case of insolvency or other operational failures.

“You have to put it in cold storage so it’s segregated,” Cuban said, referring to the need to separate user funds from a crypto business’ control. “You can’t just take the money like [former FTX CEO] Sam Bankman-Fried did and loan it to yourself.”

Crypto political landscape

Cuban’s comments come as tensions between political camps in crypto have flared in the lead-up to the U.S. election in November. Many of those within the industry believe former President Donald Trump to be a stronger candidate protecting their interests.

Trump has vowed to turn the U.S. into the “crypto capital of the planet” if re-elected. His platform includes a pro-crypto stance, and he has said he intends to foster a more crypto-friendly regulatory environment, which contrasts with the SEC’s current approach under Gensler.

Harris, meanwhile, has remained vague on specific future policies for crypto, saying her administration would “invest in biomanufacturing and aerospace, remain dominant in AI and quantum computing, blockchain and other emerging technologies.”

In any case, the revelation that Cuban told Harris stronger regulations could have helped avoid an industry collapse adds to the existing discussions the billionaire claims to have already taken place with her advisors.

In July, Cuban claimed he had received “multiple questions from her camp about crypto,” taking it as a “good sign” that Harris was receptive to shoring up regulations in the world’s largest economy.

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