Blind Bitcoin Anchoring in Altcoins and Sidechains
Rhett Creighton
864

What if the sidechain “double spends” a block? By this, I mean that I could create two blocks on the sidechain which each have the Merkle Root of the latest Bitcoin block. Then I release them at the same time.

You don’t even need to be a miner to do this, right?

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