Wallet

California resident Evan Tangeman, 22, pleaded guilty to participating in a crypto laundering operation and admitted to moving about $3.5 million. The ring stole roughly 4,100 BTC valued at approximately $263 million and operated from October 2023 to May 2025, according to prosecutors. Tangeman is the ninth defendant to enter a plea.

From 2024 through mid‑2025, investors are combining regulated Bitcoin ETFs with self‑custody. Multiple months saw $4B–$6B in spot ETF inflows, with net assets nearing $140B by July 2025, according to SoSoValue. AMBCrypto reported 171 negative days in 2025 and over 1 million BTC held by corporate treasuries.

The Bitcoin Policy Institute is calling for 529 college savings plans to be allowed to hold Bitcoin as a way to confront rising tuition costs, inflation, and limited investment menus. Its modeling suggests that small 1–2% BTC allocations can enhance compound returns and Sharpe ratios without materially increasing risk, according to BPI. In Indiana, House Bill 1042 was filed on December 4 to require publicly managed retirement programs to offer Bitcoin-related investment options.

Binance founder Changpeng Zhao reiterated on 8 December 2025 that a hardware wallet is unsafe if a private key can ever leave the device, referencing remarks shared on X. His statement followed public discussions in Dubai as self-custody adoption grows. Attackers are increasingly targeting seed phrases and backups.

South Korea's Financial Services Commission is reviewing regulations to impose no-fault compensation requirements on cryptocurrency exchanges following a November hack at Upbit that involved $30 million in Solana-based tokens. The proposed framework would align virtual asset providers with traditional financial institutions in terms of liability and operational standards. More than 900 users were impacted by the breach, which saw over 104 billion tokens transferred to external wallets within one hour.

A British individual allegedly connected to the theft of $243 million from a Genesis creditor may have been detained in Dubai, blockchain investigator ZachXBT stated on December 5. Approximately $18.58 million in cryptocurrency was reportedly seized from addresses linked to the suspect. UAE authorities have not publicly confirmed any arrests or asset seizures related to the case.

Cloudflare experienced a service disruption on December 5, 2025, affecting major websites including government portals, LinkedIn, and cryptocurrency platforms such as Coinbase. The company deployed a fix within 10 minutes after detecting elevated error rates in Workers scripts at 09:38 UTC. Solana-based protocols including Jupiter Exchange and Raydium reported user interface failures, though backend systems remained operational.

Security researchers at Ledger have identified a permanent vulnerability in MediaTek's Dimensity 7300 chip affecting multiple Android devices, including the Solana Seeker. The flaw exists in the chip's boot ROM and cannot be fixed through software updates. Attackers could exploit the vulnerability through electromagnetic fault injection to gain complete device control, according to the research team.

Washington state's Department of Financial Institutions issued a Temporary Cease and Desist Order against Bitcoin ATM operator Coinme on December 1, 2025. The Seattle-based company must halt money transmission services and return over $8 million to customers. The regulator alleges the firm illegally converted unredeemed customer funds into corporate revenue, violating the state's Uniform Money Services Act.

Solana Mobile will launch its SKR governance token in January 2026 with a total supply of 10 billion units, allocating 30% to airdrops for Seeker and Saga device holders. The announcement came hours after Ledger researchers disclosed a hardware vulnerability in the MediaTek Dimensity 7300 chip used in Seeker smartphones that could enable private key extraction through physical access. The token will implement 10% initial inflation declining to a 2% terminal rate, with distribution including 25% for growth initiatives and 15% for Solana Mobile.