TapTools, the most-used analytics platform on Cardano, said on X it will wind down within two weeks after losing its fifth senior executive in a year. Founder Charles Hoskinson warned in a video the same day that more older Cardano-ecosystem projects will fold in the second half of 2026.

The Sui Foundation's post-mortem ties two of three outages to an edge case in the v1.72 address-balances feature, and the third to a randomness-state bug exposed by an interim fix the team shipped knowing it carried halt risk.

A team led by Thomas Coratger and Justin Drake published the design for a dedicated XMSS public-key registry, the first protocol fork on the EF Strawmap before validators swap off BLS signatures.

Pavel Durov said in a Telegram channel post that The Open Network's native cryptocurrency will be renamed from Toncoin to Gram over the next three weeks, restoring the 2018 whitepaper name the SEC blocked. The token climbed as high as $2.21.

Cardano's Voltaire-era delegated representatives rejected the Cardano Foundation's 7.8 million ADA treasury ask for the 2026 Singapore Summit, with yes votes drawing 65.21% of stake — 1.46 percentage points below the two-thirds threshold.

The Foundation wants $16M in stablecoins, 1,740 ETH and 230M ARB for another year of operations. As a first vote opens, delegates and analysts say the request outpaces what the network earns and lacks performance milestones.

The Layer 1 blockchain blamed two stoppages in as many days on its 1.72 upgrade and said validators have now deployed a permanent fix. SUI slid about 15% in the past seven days.

The Coinbase-incubated layer-2 network activated multiproofs on mainnet, combining TEE and ZK proof systems to move closer to full decentralization while cutting empty blocks by 99%.

The payments-focused blockchain Tempo has settled 3.9M transactions across 177K addresses since mainnet launch in March, with stablecoin supply exceeding $25M and full Dune Analytics integration live.

Aztec Labs has acquired Obsidion, the team behind ZKPassport, a zero-knowledge identity verification protocol that proves age and nationality without storing personal data on centralized servers.