News

What has been happening this week in the world of blockchain and cryptocurrencies? Current events and background reports in our weekly review.

The Zcash Orchard bug went undetected for four years and theoretically allowed unlimited ZEC counterfeiting. The price crashes by over 40%.

ADA crash below 20 cents for the first time in over five years, as Cardano founder Hoskinson announces a break and warns of more failures.

Zcash Orchard had a critical double-spending vulnerability, fixed via soft fork and hard fork, with no exploit and supply impact.

Strategy’s first Bitcoin sale since 2022 sparks a USD 60M Polymarket UMA dispute and puts the token-voting oracle to the test.

Mt. Gox moved Bitcoin worth USD 739 million to two addresses, the first major wallet transfer by the insolvent exchange since March 2026.

Bitcoin ETF outflows continue: US spot funds post eleven straight losing days, with BlackRock’s IBIT alone accounting for $440 million.

Strategy sells Bitcoin for the first time since December 2022, 32 BTC for USD 2.5 million to fund its preferred stock dividend obligations.

Binance offers US stocks: commission-free trading of over 7,000 U.S. securities outside the US, plus bStocks on the BNB Chain.

Cardano Summit vote failed: the treasury vote missed the two-thirds majority by 1.46 points. The Foundation cancels the 2026 event.

What has been happening this week in the world of blockchain and cryptocurrencies? Current events and background reports in our weekly review.

Raiffeisen crypto trading and custody arrive in 2027, with Sygnum as external partner. The group confirmed the move to CVJ.CH

Sui network outage on 28 May 2026: the mainnet halted for two hours and SUI fell 8%. It marks the third major incident since 2023.

Mark Cuban sold most of his Bitcoin and now calls it a failed inflation hedge after the Iran crisis undercut his gold thesis.

OpenZeppelin co-founder Aráoz calls all of DeFi unsafe and advises exiting. The DeFi security risk also affects Aave and Compound.

Ondo Finance founder Nathan Allman has passed away. Ian De Bode becomes the new CEO of the RWA tokenization protocol with immediate effect.