Since that forks can happen in poa networks (I asked how to prevent forks here); What does means ? is uncle blocks contains transactions or they are just empty blocks ?

  • Geth implementation of PoA doesn't have uncles. – Ismael Aug 9 '19 at 20:02
  • how ? I can see uncle information in geth console. in addition sometime a transaction take a long time to be confirmed until another transaction comes (I use geth poa with period 0) – maroodb Aug 20 '19 at 13:49
  • From the Clique spec github.com/ethereum/EIPs/issues/225 UNCLE_HASH: Always Keccak256(RLP([])) as uncles are meaningless outside of PoW – Ismael Aug 21 '19 at 4:23
  • In geth console there is : "Commit new mining work number=501 sealhash=b909a9…1b3aa1 uncles=2 txs=29 " – maroodb Aug 21 '19 at 7:46
  • Do you see uncles in a block? Are you running geth/parity? – Ismael Aug 21 '19 at 14:17

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