BEIJING, April. 22, 2024 /PRNewswire/ -- WiMi Hologram Cloud Inc. (NASDAQ: WIMI) ("WiMi" or the "Company"), a leading global Hologram Augmented Reality ("AR") Technology provider, today announced a GradingShard blockchain sharding technology. GradingShard sharding technology spreads the storage and computation pressure of the entire blockchain network to different nodes by dividing the blockchain network into multiple shards, each containing only a portion of the transaction records and information. Differe ...