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Welcome to DISCRYPT, a dynamic research group from Universitat Autònoma de Barcelona dedicated to advancing knowledge in cybersecurity, cryptography, blockchain technologies, and data privacy.

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Bitcoin-Cli

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by Pol Espinasa i Vilarrasa
September 16, 2025
Bitcoin Core, Bitcoin-Cli, Layer 1, Nodes

How UTXO set can help us synchronize a Bitcoin node

Accelerating Bitcoin Initial Sync with the UTXO Set We’ve all experienced situations where our Bitcoin node stops working—maybe the Raspberry Pi crashes, the disk...
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by Pol Espinasa i Vilarrasa
April 7, 2024
Bitcoin-Cli, Layer 1, PSBT, Research, Sparrow, UTXO Management, Wallets

How to make a transaction with UTXOs of different wallets with Sparrow

April 7, 2024 · 6 min · Pol Espinasa Let’s suppose that Bob and Alice share a flat and want to buy a television worth 2 bitcoins, paying...
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Recent Posts

  • Predictive Caching for Bitcoin Core: Enhancing UTXO Set Management with Machine Learning
  • A Risk Analysis of Non-custodial Staking in Ethereum
  • Covert-Nonce Channel Attacks in Bitcoin Hardware Wallets
  • Quantum threat on Bitcoin
  • How UTXO set can help us synchronize a Bitcoin node

Recent Comments

  1. satoshi on How UTXO set can help us synchronize a Bitcoin node
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Focused on the design, analysis, and implementation of cryptographic protocols and privacy-preserving technologies for decentralized systems.

  • Edifici Q, Carrer de les Sitges, 08193 Barcelona
  • 935813049

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December 2, 2025
Predictive Caching for Bitcoin Core: Enhancing UTXO Set Management with
September 16, 2025
How UTXO set can help us synchronize a Bitcoin node
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