papers

Publications (13)

cs.AI2026

Political Plasticity: An Analysis of Ideological Adaptability in Large Language Models

Bruno Bianchi, Diego Tiscornia, Matias Travizano +1

Since the advent of Large Language Models (LLMs), a significant area of research has focused on their intrinsic biases, particularly in political discourse. This study investigates…

cs.CR2025

BATTLE for Bitcoin: Capital-Efficient Optimistic Bridges with Large Committees

Sergio Demian Lerner, Ariel Futoransky

We present BATTLE for Bitcoin, a DoS-resilient dispute layer that secures optimistic bridges between Bitcoin and rollups or sidechains. Our design adapts the BATTLE tournament prot…

cs.CR2020

BatPay: a gas efficient protocol for the recurrent micropayment of ERC20 tokens

Hartwig Mayer, Ismael Bejarano, Daniel Fernandez +5

BatPay is a proxy scaling solution for the transfer of ERC20 tokens. It is suitable for micropayments in one-to-many and few-to-many scenarios, including digital markets and the di…

cs.CR2013

An Oblivious Password Cracking Server

Aureliano Calvo, Ariel Futoransky, Carlos Sarraute

Building a password cracking server that preserves the privacy of the queries made to the server is a problem that has not yet been solved. Such a server could acquire practical re…

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

OTS-PC: OTS-based Payment Channels for the Lightning Network

Sergio Demian Lerner, Ariel Futoransky

We present a new type of bidirectional payment channel based on One-Time Signatures on state sequence numbers. This new construction is simpler than the Poon-Dryja construction, bu…