Crypto
Crypto mogul Do Kwon sentenced to 15 years in prison over $40B ‘epic fraud’
Do Kwon, the South Korean cryptocurrency entrepreneur behind two digital currencies that lost an estimated $40 billion in 2022, was sentenced on Thursday to 15 years in prison for for what a judge called an “epic fraud.”
U.S. District Judge Paul A. Engelmayer, who handed down the sentence, sharply rebuked Kwon for repeatedly lying to everyday investors who trusted him with their life savings.
“This was a fraud on an epic, generational scale. In the history of federal prosecutions, there are few frauds that have caused as much harm as you have, Mr. Kwon,” Engelmayer said during a hearing in Manhattan federal court.
Kwon, 34, who co-founded Singapore-based Terraform Labs and developed the TerraUSD and Luna currencies, previously pleaded guilty and admitted to misleading investors about a coin that was supposed to maintain a steady price during periods of crypto market volatility.
He is one of several cryptocurrency moguls to face federal charges after a slump in digital token prices in 2022 prompted the collapse of a number of companies.
Dressed in yellow prison garb, Kwon addressed the court and apologized to his victims, including the hundreds who submitted letters to the court describing the harm they had suffered.
“All of their stories were harrowing and reminded me again of the great losses that I’ve caused. I want to tell these victims that I am sorry,” Kwon said.
Ayyildiz Attila, one of the hundreds of victims who submitted letters to the court, said he lost between $400,000 and $500,000 in the collapse.
“My savings, my future, and the results of years of sacrifice disappeared. I struggled to keep up with payments and responsibilities, and everything I had worked forwas erased,” Attila said.
Kwon’s lawyer Sean Hecker said in an email after the sentencing that Kwon spoke from the heart, expressed genuine remorse and will continue his efforts to make amends.
US Attorney Jay Clayton in Manhattan said in a statement following the hearing that Kwon devised elaborate schemes to inflate the value of his cryptocurrencies and fled accountability when his crimes caught up to him.
Prosecutors had asked for a sentence of at least 12 years in prison, saying the crash of Kwon’s Terra cryptocurrency caused billions of dollars in losses and triggered a cascade of crises in the crypto market.
Kwon’s lawyers had asked that he be sentenced to no more than five years so he can return to South Korea to face criminal charges.
Prosecutors charged Kwon in January with nine criminal counts for securities fraud, wire fraud, commodities fraud and money laundering conspiracy.
Kwon was accused of misleading investors in 2021 about TerraUSD, a so-called stablecoin designed to maintain a value of $1. Prosecutors alleged that when TerraUSD slipped below its $1 peg in May 2021, Kwon told investors a computer algorithm known as “Terra Protocol” had restored the coin’s value.
Instead, Kwon arranged for a high-frequency trading firm to secretly buy millions of dollars of the token to artificially prop up its price, according to charging documents.
Kwon pleaded guilty in August to two counts, conspiracy to defraud and wire fraud, and apologized in court for his conduct.
“I made false and misleading statements about why it regained its peg by failing to disclose a trading firm’s role in restoring that peg,” Kwon said at the time. “What I did was wrong.”
Kwon agreed in 2024 to pay $80 million as a civil fine and be banned from crypto transactions as part of a $4.55 billion settlement he and Terraform reached with the Securities and Exchange Commission.
He also faces charges in South Korea. As part of his plea deal, prosecutors will not oppose Kwon’s potential application to be transferred abroad after serving half his US sentence.
Crypto
Institutional Crypto Adoption ‘Happening Now’: Ripple Executive Says Real-World Use Cases Taking Hold
Key Takeaways:
- Ripple says institutional adoption of digital assets is happening now.
- Craddock states the focus has shifted to infrastructure and real-world use cases.
- Paris events showed strong momentum, with Ripple citing real industry energy.
Institutional Digital Asset Adoption Gains Momentum
Institutional adoption of digital assets is gaining momentum across global finance, marking a decisive shift as major firms move beyond experimentation into active deployment. Ripple’s managing director for the U.K. and Europe, Cassie Craddock, reinforced this momentum on April 20, pointing to Paris Blockchain Week 2026 and related industry events as evidence that large-scale crypto adoption is already underway.
Craddock stated on social media platform X:
“Institutional adoption of digital assets isn’t something that’s on the horizon. It’s happening now.”
“The debate has moved on. The focus is on infrastructure and real-world use cases. And the people I was fortunate enough to spend time with this week are the ones building it. Banks, asset managers, fintechs, and regulators, all discussing how to do this properly and at scale,” she further shared.
The executive tied that view to meetings held across the Ripple Roadshow Paris, Paris Blockchain Week itself, Mastercard Crypto Day at the Eiffel Tower, and Société Générale-FORGE’s event at the French Ministry of Finance. She explained that discussions no longer centered on whether institutions would engage with the sector. Instead, participants examined infrastructure, deployment standards, and real-world use cases that could support broader activity across regulated financial markets.
Paris Events Highlight Structured Industry Buildout
The comments suggest that digital asset conversations among large organizations are becoming more operational. Craddock referenced exchanges with speakers including David Durouchoux, Myles Harrison, and Frédéric Dalibard, while also highlighting the presence of banks, asset managers, fintechs, and regulators. That mix suggests several parts of the financial system are considering similar questions around scale and execution. Rather than focusing on abstract potential, the gatherings in Paris appeared to center on how institutions can build and apply digital asset systems in a structured way.
The Ripple executive added that the people involved in those meetings are “the ones building it.” She also concluded:
“The energy was real, the momentum even more so.”
These remarks reflect Ripple’s view that institutional interest is moving from long-term expectation to active development. By stressing implementation and participation from established financial groups, the post framed Paris Blockchain Week as a signal that digital asset adoption is advancing within mainstream finance.
Crypto
Scattered Spider hacker pleads guilty to stealing $8 million in cryptocurrency – Help Net Security
A British national tied to the Scattered Spider cybercrime group pleaded guilty to hacking multiple companies via SMS phishing and stealing over $8 million in virtual currency from US victims.
Tyler Robert Buchanan, 24, of Dundee, Scotland, pleaded guilty to conspiracy to commit wire fraud and aggravated identity theft.
In November 2024, US authorities unsealed criminal charges against Buchanan and four other alleged members of the Scattered Spider group, accusing them of using phishing text messages to steal employee credentials, breach company systems and steal cryptocurrency.
According to court documents, Buchanan and his co-conspirators conducted cyber intrusions and virtual currency thefts between September 2021 and April 2023.
The victims included interactive entertainment, telecommunications and technology companies, as well as business process outsourcing (BPO) and IT service providers, cloud communications firms, virtual currency companies and individual victims.
“As part of the scheme, Buchanan and his co-conspirators conducted Short Message Service (SMS) phishing attacks by sending hundreds of SMS phishing messages to the mobile telephones of a victim company’s employees. The messages purported to be from the victim company or a contracted IT or BPO supplier for the victim company,” the Justice Department said.
“The SMS phishing messages contained links to phishing websites designed to look like legitimate websites of a victim company or a contracted IT or BPO supplier. The websites then lured the recipient into providing confidential information, including personal identifying information (PII), and account usernames and passwords.”
In April 2023, police found on a digital device at Buchanan’s residence in Scotland the names and addresses of numerous victims, including a text file containing cryptocurrency seed phrases and login credentials for one account.
Buchanan has been in federal custody since April 2025 and faces up to 22 years in federal prison.
Co-conspirator Noah Michael Urban is serving a 10-year federal prison sentence and was ordered to pay $13 million in restitution after pleading guilty in April 2025 to fraud-related charges. Three other defendants charged alongside Buchanan, including Ahmed Hossam Eldin Elbadawy, Evans Onyeaka Osiebo and Joel Martin Evans, still face criminal charges in the case.
Scattered Spider is a cybercrime collective, also known as UNC3944, Muddled Libra and Octo Tempest, made up largely of young, native English-speaking hackers who use social engineering, including impersonating IT and help-desk staff, to gain initial access, bypass MFA, and compromise enterprise networks.
The group gained notoriety for its role in high-profile hacking and extortion attacks against Caesars Entertainment and MGM Resorts International, two of the largest casino operators in the US.
Although authorities have increased pressure on the group and arrested several members, including four they consider responsible for ransomware attacks targeting UK-based retailers last year, the group continues to operate, with new members replacing those arrested.
Crypto
XRP Prepares for Quantum Future as Ripple Maps XRPL Strategy for Security Readiness
Key Takeaways:
- Ripple outlines a phased roadmap to prepare XRPL for quantum-era cryptography risks.
- Industry momentum grows as XRPL testing highlights performance and security tradeoffs.
- Developers at Ripple will expand testing to balance innovation with network stability.
Ripple Maps Quantum Security Strategy
Ripple’s post-quantum strategy reflects a growing shift in blockchain security as quantum computing risks gain credibility. The company’s latest Insight, published April 20 by Senior Director of Engineering Ayo Akinyele, outlined a structured roadmap to prepare the XRP Ledger for future cryptographic disruption while preserving network performance.
The Insight stated:
“Ripple is introducing a multi-phase roadmap to prepare the XRP Ledger (XRPL) for a post-quantum future, with a target for full readiness by 2028.”
It also detailed collaboration efforts: “Ripple is working with Project Eleven to accelerate development, including validator testing and early custody prototypes.”
Akinyele explained that quantum security is becoming more relevant because blockchain networks rely on cryptographic systems that could eventually be broken by sufficiently advanced quantum computers. On XRPL, each signed transaction reveals a public key on-chain, which could weaken long-term wallet security in a post-quantum environment.
He also pointed to the “harvest now, decrypt later” threat, where attackers collect cryptographic data today and wait for future quantum capabilities to exploit it. While this does not indicate an immediate failure of current protections, it increases the urgency of preparing systems that secure long-duration value. These risks reinforce the need for early testing of quantum-resistant cryptographic systems and structured migration planning.
XRPL Testing Targets Long-Term Stability
Ripple’s roadmap consists of four phases, starting with contingency planning for a potential failure of existing cryptographic standards. This includes a “Quantum-Day” framework designed to enable secure migration to post-quantum accounts if vulnerabilities emerge. Additional phases focus on evaluating National Institute of Standards and Technology (NIST)-recommended algorithms under real network conditions, measuring impacts on throughput, storage, and verification efficiency. XRPL’s native features, including key rotation and deterministic key generation, provide a technical advantage by enabling gradual migration without forcing users to abandon existing accounts. Parallel testing on development networks will allow developers to assess performance tradeoffs before broader implementation.
The senior director of engineering emphasized long-term execution and coordination, stating:
“We should not view addressing the quantum threat on XRPL as a single upgrade, but rather a multi-phased strategy of carefully migrating a live, global financial infrastructure without compromising the value of digital assets protected by the XRPL.”
Akinyele indicated that achieving post-quantum readiness requires balancing cryptographic innovation with operational stability, ensuring the network remains efficient while adapting to future security challenges.
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