October saw significant developments in blockchain technology, with several major updates across different networks. The Bitcoin Improvement Proposal BIP-444 sparked controversy within the community, highlighting ongoing debates about network upgrades. Meanwhile, the Fusaka testnet successfully completed its testing phase, marking a milestone in its development. BNB Chain launched a scalable database solution aimed at enhancing transaction efficiency, while Ethereum expanded its privacy cluster, reinforcing its commitment to user confidentiality. ZKSync introduced the "Atlas" upgrade, promising improved scalability and performance. Solana unveiled a new efficient token program designed to optimize token operations on its network. In a surprising move, Kadena announced it would cease operations, ending its blockchain activities.