Data redundancy involves storing the same piece of information in multiple locations within a system. This practice ensures data availability and integrity, serving as a safeguard against data loss due to hardware failures or system corruption. In blockchain contexts, redundancy is a fundamental characteristic, as every full node stores a complete copy of the ledger. This distributed replication significantly enhances the network’s resilience and fault tolerance.
Context
Data redundancy is a core tenet of blockchain technology, ensuring the integrity and persistence of transaction records. News reports often mention it when discussing network security and resistance to censorship. While beneficial for data preservation, excessive redundancy can present scalability challenges for large networks. Future optimizations aim to balance the benefits of data replication with more efficient storage solutions.
Cryptographically-secured erasure codes enable light clients to verify data availability by sampling, resolving the scalability bottleneck for modular architectures.
A novel hybrid sharding architecture, combining local and global committees, drastically improves Hedera's scalability and resilience by optimizing data distribution and cross-shard coordination.
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