Blockchain technology is generally considered to be slower compared to traditional centralized systems. This is due to the decentralized nature of the technology, which requires multiple parties to confirm and validate transactions before they are added to the blockchain. As a result, transactions on a blockchain network can take longer to process than on a centralized system. However, there are ongoing efforts to improve the speed and scalability of blockchain networks through various technological advancements such as sharding, layer 2 solutions, and consensus algorithm improvements.