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cs.CR2025
ESSPI: ECDSA/Schnorr Signed Program Input for BitVMX
Sergio Demian Lerner, Martin Jonas, Ariel Futoransky
The BitVM and BitVMX protocols have long relied on inefficient one-time signature (OTS) schemes like Lamport and Winternitz for signing program inputs. These schemes exhibit signif…
cs.CR2025
Union: A Trust-minimized Bridge for Rootstock
Ramon Amela, Shreemoy Mishra, Sergio Demian Lerner +1
We present Union, a trust-minimized bridge protocol that enables secure transfer of BTC between Bitcoin and a secondary blockchain. The growing ecosystem of blockchain systems buil…