No. The block must be signed by the private key of the kernel. So you can’t build a block from someone else’s stake.[/quote]
I think I misunderstood the remark.
If you send your own duplicate block A2 just when the network receives a block B on top of your own previous block A1, then all the nodes will accept A1 and B.
The ones who receive A2 before B will move 1 block backward and when they receive B they’ll move 2 blocks forward (A1 and B), accepting the duplicate A1.
The ones who receive B before A2 will just ignore the duplicate A2 when they receive it because it’s lower than B.[/quote]
Looks good. TY.