… nodes in the network. Each shard only processes a small part of the state and does so in parallel. Blockchain sharding is similar to sharding in the traditional database world, except with the extra hard challenge of needing to maintain security and authenticity amongst a decentralized set of nodes.
…to process more than a certain percentage of the total transactions in the network. In other words, we need a mechanism to limit the number of nodes that need to validate each transaction, without losing the network’s trust that each transaction is valid and authentic. It might sound simple in words, but is technologically very difficult.
7.1m users v…or in today’s media environment: an audience of young, mobile-first consumers of news and analysis. The Snapchat audience is also large: each month an average of 7.1m users visit The Economist’s Snapchat channel.