Questions tagged [uncle-blocks]

An uncle block is a validated block that got a silver rather than gold medal, because another miner propagated a competing block more rapidly, and therefore won the “race” to become the next confirmed block on the blockchain. Uncle blocks get a fraction of the full block reward.

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How to make sure the transaction is not included in uncle block

If a transaction is included in the uncle block, neither the sender would be deducted nor the receiver would gain, is that right? Most clients or platforms use 12 confirmations, how would this ...
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How to update the balance of a wallet user when there are two competing chains?

I am building a wallet, and I have a question about uncle blocks. Let’s say our user sends a transaction, but there are two competing blockchains. If they both include her transaction, no problem. We ...
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What precisely classifies an off-chain block as a fork?

I am looking for validation (or invalidation) of my assumption of what strictly counts as a fork in Ethereum. If you start filters to multiple ETH nodes at the same time, you will very often see 2 or ...
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Uncle blocks and their Relationship to Chain Size

How much do uncle blocks affect the overall chain size? Is the amount of added security they provide for the chain comparable to how much extra data they add to the chain? If, for some reason, all ...
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Ethereum mempool transaction of Uncle and Fork nodes

In the Bitcoin network when a fork happens, the block transactions from the shortest chain are reinserted again into the mempool. In Ethereum instead we have Uncle blocks and Fork blocks. What ...