币界网报道:Latest crypto airdrops are in focus this week as Spark (SPK), Sonic (S), and LayerEdge (EDGEN) each gain traction with fresh distribution campaigns and ecosystem developments. SPK recently launched on Ethereum, anchoring Spark’s DeFi expansion and governance roadmap. Sonic rolled out an $82 million airdrop with an NFT-based vesting structure to curb sell pressure. Meanwhile, LayerEdge leverages Bitcoin-linked security and zk technology, though its token EDGEN is under pressure after sharp price drops