3 papers
cs.CR2025
EthVault: A Secure and Resource-Conscious FPGA-Based Ethereum Cold Wallet
Joel Poncha Lemayian, Ghyslain Gagnon, Kaiwen Zhang +1
Cryptocurrency blockchain networks safeguard digital assets using cryptographic keys, with wallets playing a critical role in generating, storing, and managing these keys. Wallets,…
eess.SP2025
EVMx: An FPGA-Based Smart Contract Processing Unit
Joel Poncha Lemayian, Hachem Bensalem, Ghyslain Gagnon +2
Ethereum blockchain uses smart contracts (SCs) to implement decentralized applications (dApps). SCs are executed by the Ethereum virtual machine (EVM) running within an Ethereum cl…
cs.CR2024
WiP: Towards a Secure SECP256K1 for Crypto Wallets: Hardware Architecture and Implementation
Joel Poncha Lemayian, Ghyslain Gagnon, Kaiwen Zhang +1
The SECP256K1 elliptic curve algorithm is fundamental in cryptocurrency wallets for generating secure public keys from private keys, thereby ensuring the protection and ownership o…