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cbt 2026 10th international workshop on cryptocurrencies and blockchain technology cbt 2026 rome italy 17 september 2026 in conjunction with esorics 2026 program cfp committees registration important dates deadline june 17 july 1 2026 aoe extended notification july 22 camera ready august 24 cfp 2026 lncs proceedings 2025 2024 2023 2022 2021 2020 2019 2018 2017 cbt program thursday 17th september 2026 08 00 08 45 workshop registration 08 45 09 00 opening remarks 09 00 10 00 room 201 joint keynote cbt dpm cybericps stm secai tci does machine learning compromise the privacy of training data josep domingo ferrer universitat rovira i virgili machine learning ml models are often trained on personal or otherwise sensitive data for example ml models are trained on health data supplied by smartphones or sensitive data coming from iot sensors in several jurisdictions the legal framework for the publication and disclosure of personal data is being extended to ml this is based on the implicit assumption that disclosing a trained ml model poses a similar privacy risk to the personal data used to train it as directly publishing those data however with a trained model it is necessary to carry out a privacy attack to draw inferences from the training data in this talk i examine the main families of privacy attacks against predictive and generative ml including membership inference attacks mias property inference attacks and reconstruction attacks this analysis shows that most of these attacks appear to be less effective in the real world than might be suggested by a prima facie interpretation of the relevant literature the talk will conclude by highlighting the role of privacy attacks to assess machine unlearning for privacy and the potential clash between machine unlearning and blockchain recorded ml 10 00 10 30 coffee break 10 30 12 30 room 13 decentralized finance chair jordi herrera joancomartí universitat autònoma de barcelona catalonia scamtracer proactive defi scam detection through integrated on chain and off chain signals bahareh parhizkari antonio ken iannillo ed zulkoski and radu state a light client bridge for confidential notes on qbft permissioned ledgers pietro tiberi vitangelo lasorella and gabriele marcelli tracesvm a framework for reverse engineering and analysing solana s proprietary amms florian klein ferdinando samaria and frank stajano incentives and market structure in intent based exchanges evidence from a solver reward reform ruiyang zhang pricing the defi tail do protocols or depositors price operational risk nils bundi 12 30 13 50 lunch break 13 50 15 20 room 13 attacks defenses chair josep domingo ferrer universitat rovira i virgili catalonia slow and steady preventing mev with verifiable delays zeta avarikioti dimitris karakostas karl kreder and shreekara shastry formalizing pqc signature transition case of pow blockchain against on spend attack kigen fukuda and shin ichiro matsuo one block capped withholding jie liu 15 20 15 40 coffee break 15 40 17 10 room 13 privacy chair shin ichiro matsuo georgetown university usa threshold collaborative rate limiting nullifier signaling with membership privacy yağmur gürel uğur şen and oğuz yayla dsphinx a decentralized path selection for decentralized networks aurélien chassagne iness ben guirat jan tobias mühlberg jean michel dricot and manuel mota leal dias proof of uniqueness sybil resistant privacy preserving decentralized identity through threshold oprf and zk snark registry adam vožda martin perešíni and ivan homoliak cbt farewell 17 10 17 30 conference info aims and scope since the emergence of bitcoin in 2009 a wide array of cryptocurrencies and blockchain based systems have been introduced achieving varying degrees of adoption and success while some of these projects are incremental variations of bitcoin others present novel consensus mechanisms governance models privacy enhancing technologies or explore use cases beyond digital currency such as decentralized finance defi non fungible tokens nfts decentralized autonomous organizations daos and scalable layer 2 solutions despite these innovations many proposed systems are released as rapid prototypes or proof of concept implementations often lacking rigorous scientific evaluation this workshop aims to serve as a dedicated forum for researchers to critically assess existing systems explore emerging paradigms such as zero knowledge proofs cross chain interoperability and sustainable consensus and propose robust frameworks that contribute to a sound scientific foundation for the ongoing development of blockchain technologies and next generation decentralized systems topics the main topics include but are not limited to anonymity and privacy in cryptocurrencies blockchain governance privacy preserving technologies blockchain based trust systems security analysis of existing cryptocurrencies formal threat models in cryptocurrency systems scalability and performance optimization second layer solutions p2p network cryptocurrencies analysis blockchain based identity management private transactions in blockchain based systems new usages of the blockchain technology scalability solutions for blockchain systems interoperability and cross chain technologies distributed consensus and fault tolerance blockchain analytics and forensics blockchain architecture and consensus mechanisms on chain and off chain code synergies smart contracts and decentralized applications dapps nfts non fungible tokens and digital assets decentralized finance defi blockchain education and adoption challenges post quantum cryptography and blockchain security program commitee pc chairs victor garcia font universitat oberta de catalunya uoc jordi herrera joancomartí universitat autònoma de barcelona uab cristina pérez solà universitat autònoma de barcelona uab pc members temptative list lennart ante blockchain research lab ggmbh daniel augot inria saclay île de france lix alex biryukov university of luxembourg rainer böhme university of innsbruck jeremy clark concordia university mauro conti padova university vanesa daza universitat pompeu fabra co pierre georg deutsche bundesbank dongning guo northwestern university hannes hartenstein karlsruhe institute of technology ethan heilman boston university dorjan hitaj sapienza university of rome xiapu luo the hong kong polytechnic university shin ichiro matsuo georgetown university pedro moreno sanchez imdea software institute guillermo navarro arribas autonomous university of barcelona charmaine ndolo dresden university of technology mohammad pishdar ku leuven friman sánchez universitat oberta de catalunya weidong shi university of houston hitesh tewari trinity college dublin dimitrios vasilopoulos snt university of luxembourg edgar weippl university of vienna call for papers regular and short papers papers must be original and not submitted for publication elsewhere authors are invited to submit their manuscripts following the lncs proceedings manuscript style papers are limited to 16 pages full papers or 8 pages short papers including references and appendices paper must be submitted in pdf format using the esorics 2026 submission entry at easychair and selecting the 10th cryptocurrencies and blockchain technology workshop double blind review cbt requires anonymized submissions please make sure that submitted papers contain no author names or obvious self references accepted conference papers will be published by springer in the lncs collection at least one author of each accepted paper is required to cover a full registration and present their work at the workshop otherwise the paper will not be included in the proceedings venue the workshop will be held in rome italy in collaboration with the 31th annual european symposium on research in computer security esorics 2026 more information on accommodation and venue will be available at the esorics 2026 website registration information about the registration is available at the esorics 2026 website kindly use this link to register for the workshop cbt 2026 some important information follows at least one regular registration e g a non student registration has to be made for each accepted paper at the workshop sponsors with the collaboration of cbt 2026