Privacy | Crypto

Umbra has shut down its front end to stop hackers, but says it can’t stop the use of its smart contracts or another version of its open-source front end. Privacy-focused crypto protocol Umbra said it has taken down its front-end website to make it more difficult for hackers who have been using it to move funds from recent “high-profile hacks.” Umbra posted to X on Tuesday that it is aware that around $800,000 worth of stolen funds were moved via its protocol. It added that it made the decision to move the hosted version of its front end into maintenance mode and would restore it “as soon as we are assured that doing so won't create obstacles to the current recovery efforts.” Read more

Cardano Foundation's Thomas Mayfield has said 2026 may soon bring AI agents with delegated authority and decentralized identity. He has cited EU rules and Digital Product Passports as drivers for data and privacy-first disclosure, as the Foundation partners with FC Barcelona, veritree and Petrobras. The post Cardano Foundation on Why 2026 Will Redefine AI Authority, Digital Identity and Privacy appeared first on Cryptonews.

Institutions are exploring blockchain settlement, but they cannot move forward without system-level privacy, says ZKsync developer. Privacy tokens bucked the trend to surge in price and popularity during the recent market slump, but most of the discussion has centered on consumer-facing projects like Zcash. At the same time, banks and financial institutions have been exploring zero-knowledge (ZK) systems that enable private transaction flows on blockchains, a technology known for transparency and immutability. As Alex Gluchowski, CEO of Matter Labs, put it, “There is cypherpunk privacy, which is account-level privacy, and then there is institutional privacy, which is system-level privacy. Institutions need full visibility over their own flows while keeping that data private from everyone else.” Read more

Samourai Wallet cofounder Keonne Rodriguez received the maximum sentence this week of five years in prison for writing code. As a developer sits in a jail cell for building privacy tools, many in the Bitcoin community, including Max Keiser, are pushing for a full pardon. Crypto crackdown: Beyond campaign promises Donald Trump vowed during his […] The post Privacy on trial as Samourai Wallet cofounder lands in jail for writing code appeared first on CryptoSlate.

Privacy coins surge 80% as Zcash and Dash hit multi-year highs, driven by rotation, halving hype and renewed demand for transaction privacy. Privacy-focused cryptocurrencies have rallied sharply, with sector value up nearly 80% by November 2025. Zcash hit a seven-year high and Dash a three-year peak as traders rotated into privacy assets. Technical breakouts, derivatives positioning and an upcoming Zcash halving fueled the move. Read more

Sixteen years after Bitcoin’s debut, regulators continue to face hurdles in accessing reliable crypto data, with privacy laws complicating efforts. Privacy of data is among the key legal challenges to cross-border cooperation in regulating cryptocurrencies like Bitcoin and stablecoins, according to the G20’s risk watchdog. The Financial Stability Board (FSB), a global financial authority funded by the Bank for International Settlements (BIS), has identified persistent gaps in how governments worldwide regulate the cryptocurrency market. “This inconsistency creates challenges such as regulatory arbitrage, data gaps, and market fragmentation,” the FSB wrote in a 107-page peer review report released on Thursday. Read more