Wallet

On December 11, 2025, World, Sam Altman's biometric identity project, unveiled an app update adding end-to-end encrypted chat and in-chat crypto payments. The announcement said World Wallet supports USDC, EURC, wrapped Bitcoin and Ethereum, plus 100+ tokens, and introduces virtual accounts for send, deposit and withdraw. Altman and CEO Alex Blania outlined privacy features at a San Francisco event.

On December 11, 2025, World rolled out a major app update adding end‑to‑end encrypted messaging and expanded crypto payments. The release, presented at the company's San Francisco office with Sam Altman and CEO Alex Blania, also introduces virtual bank accounts and peer‑to‑peer transfers that do not require a World ID.

Save the Children announced a Bitcoin Fund on December 11 to hold BTC donations for multiple years and pilot blockchain payment tools where traditional banking falls short. Built with Fortris, the fund allows the NGO to time conversions and run trials using digital wallets, vouchers, and stablecoin distributions. The organization accepted its first bitcoin in 2013 and by early 2024 had raised nearly $8 million.

On 11 December 2025, Klarna began a research collaboration with Privy to explore how a consumer-focused crypto wallet could fit into its long-term financial ecosystem. The Swedish fintech, valued at just over $12 billion, is examining wallet infrastructure and user experience after launching its KlarnaUSD stablecoin with Tempo and Bridge. At the same time, Klarna is expanding Apple Pay support, membership tiers and international retail and travel partnerships to broaden its payments footprint.

Revolut and Trust Wallet rolled out instant crypto purchases for EU users, with assets delivered directly into Trust Wallet for self-custody. The integration supports RevolutPay, debit cards, and bank transfers, with 0% Revolut Pay fees in some cases and possible network or third‑party charges. Supported assets include Bitcoin, Ethereum, Solana, USDC, and USDT.

A U.S. lawsuit filed in late October alleges unauthorized Pi token transfers, centralized validator control, and off‑books sales. The plaintiffs seek up to $10 million in damages. Researcher Dr. Altcoin, posting on X, argues the case misrepresents Pi’s token economics and governance, including claims of prior triple‑digit pricing that he says never appeared on reputable markets.

On December 10, 2025, Binance co-CEO Yi He said she would personally compensate users who lost funds buying the Mubarakah memecoin promoted via her compromised WeChat account. The profile was hijacked on December 9, 2025, and on-chain data later indicated the attackers made roughly $55,000 in profit, according to Lookonchain. The BNB airdrop will target users who traded Mubarakah through Binance Web3 Wallet and Alpha.

On December 10, SpaceX moved 1,021 BTC valued at about $94.48 million. The transfer follows last week’s 1,083 BTC move worth roughly $99.8 million, extending a run of sizable Bitcoin transactions by the company. Bitcoin traded near $91,941 as attention focused on the firm’s on-chain activity.

On Wednesday, the compromised WeChat account of Binance co-CEO Yi He was used to promote a BNB Chain memecoin called Mubarakah. The attacker allegedly created two new wallets, spent 19,479 USDT to buy 21.16 million tokens, and made roughly $55,000 in profit after an 800% price spike and subsequent sell-off, according to onchain analyst Lookonchain. Yi He later said the account had been recovered and warned users to stay alert to scam attempts.

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.