Layer 2, Dlc, Bitcoin.
s′, Bob can compute the new private key sk^{Bob} and withdraw the locked 2 BTC $sk^{Bob}:= y + s’.$ Analysis: The new private key sk^{Alice} calculated by Alice and the new public key PK^{Alice} satisfies the discrete logarithm relationship $sk^{Alice} ⋅ G= (x+s) ⋅ G=X+S=PK^{Alice}$ Thus, Alice’s