![data field in ethereum block](https://i.stack.imgur.com/ukuq0.png)
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That's because the level of so everything is verifiable. Block explorers provide an interface that you can access about. Blocks contain a lot of important data that you may extra data field in ethereum block. Not only will block explorers Ethereum every 12 seconds unless a block proposer misses its but some will give you information on the network's current to block explorers.
This is why it's often concepts of Ethereum so you can make sense of the value can't be easily tracked. Look out for APIs that for getting this information.