• Home
  • News
  • Team
  • Projects
  • Blogs
  • Courses
  • Contact
  • Publications
  • Català
logo-no-background

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

  • 935813049
  • Edifici Q, Carrer de les Sitges, 08193 Barcelona
logo-with-shadow logo-with-shadow
  • Home
  • News
  • Team
  • Projects
  • Blogs
  • Courses
  • Contact
  • Publications
  • Català
  • Home
  • News
  • Team
  • Projects
  • Blogs
  • Courses
  • Contact
  • Publications
  • Català

Home
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...
Read More
by Pol Espinasa i Vilarrasa
July 4, 2024
Coinjoin, Layer 1, PSBT, Research, Sighash, UTXO Management

Grouphug – Batching transactions without interaction between users

How GroupHug works, a server programmed in Rust that allows grouping or batching of transactions without interaction between users using SigHash Single | AnyoneCanPay...
Read More
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...
Read More

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. amoxicillin yeast infection risk on Predictive Caching for Bitcoin Core: Enhancing UTXO Set Management with Machine Learning
  2. pneumonia lung inflammation on A Risk Analysis of Non-custodial Staking in Ethereum
  3. penicillin allergy reaction overview on A Risk Analysis of Non-custodial Staking in Ethereum
  4. amoxicillin interaction details on Covert-Nonce Channel Attacks in Bitcoin Hardware Wallets
  5. bronchitis respiratory symptoms on Quantum threat on Bitcoin
logo-no-background

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

Sitemap

  • Home
  • News
  • Team
  • Projects
  • Blogs
  • Courses
  • Contact
  • Publications
  • Català

Blogs

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
Copyright @ 2024. All Rights  Reserved by Unipix