Polyhedra announces buyback plan after token drops 80% from coordinated liquidity attacks.

From Yahoo Finance: 2025-06-18 12:15:00

Polyhedra, a crypto protocol, announced a buyback plan after its token ZKJ dropped over 80% due to coordinated liquidity attacks. The team injected $30 million in DEX liquidity and is conducting a full investigation to deter future exploits. No team ZKJ holdings were sold.

Optalysys, a U.K.-based startup, introduced the world’s first server for blockchains that can process data at scale without decrypting it. The server uses Fully Homomorphic Encryption, offering a cheaper alternative to GPU-based systems and using 40% less energy.

The Ink Foundation is launching its native token INK on a DeFi protocol built on Aave, with distribution starting via an airdrop. INK has a hard cap of 1 billion tokens and will not have governance gimmicks or fluctuating emissions schedules. The foundation’s layer 2 governance will remain separate from the token.

JPMorgan pilots a permissioned USD deposit token called JPMD on Base, the layer 2 Ethereum network built by Coinbase. The token will offer services like trading, exchange, transfer, and payment services for digital assets. This marks the first deployment of JPMorgan’s Kinexys distributed ledger technology studio on a public blockchain.

Iranian exchange Nobitex was hacked for $90 million by an Israel-linked hacking group. Internal data and source code will be released, and assets left on the exchange are at risk. The group warned of releasing the exchange’s data following a cyberattack on Iran’s state-owned lender.

The U.S. Senate passed the GENIUS Act in a 68-30 vote, regulating stablecoins and setting a new high-water mark for crypto policy efforts. The bill now heads to the House of Representatives, with major Democratic backing helping give it momentum in the legislation process.

Read more: Polyhedra Promises Buyback Plan After Liquidity Attack