Block Discarding is the process where a blockchain node identifies and rejects a block from its local chain. This action occurs when a received block is deemed invalid due to protocol violations or if it is an orphaned block from a competing chain. It is a fundamental mechanism for maintaining the integrity and security of the network. This ensures only valid blocks are processed.
Context
The appropriate handling of block discarding is essential for the security and consistency of a blockchain, preventing the inclusion of fraudulent transactions or state changes. Nodes discard blocks that do not adhere to network rules or those that lose in a fork resolution. This mechanism reinforces the canonical chain, which is critical for the overall reliability of the distributed ledger.
By introducing Graded Broadcast, Falcon BFT bypasses the high-latency agreement stage, achieving continuous block commitment and superior asynchronous performance.
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