Suggested contribution topics include (but are not limited to) empirical and theoretical studies of:
Anonymity and privacy issues and measures to enhance themApplications using or built on top of blockchainsAtomic SwappingBig Data and blockchain technologyBitcoin, Ethereum, Monero, ZCash protocol, other coins and extensions (cryptography, scripting/smart contract language etc.)Case studies (e.g., of adoption, attacks, forks, scams etc.)CensorshipConsensus protocols for blockchainsCryptocurrency adoption and economic impactCryptocurrency adoption and transition dynamicsDecentralized Applications (Exchanges, Mining Pools, Trading Platforms)Adoption of blockchains in developing countriesEconomic and monetary aspectsEconomics and game theory of miningForensics and monitoringFormal verification of Blockchain protocols and Smart ContractsFraud detection and financial crime preventionGovernanceIdentity, Identification and trust in blockchain systemsImplications for existing business modelsInterfacing fiat and cryptocurrenciesIntermediates in different industries and their futureInternet of things (IoT) and blockchainsLegal and policy implications of Smart ContractsLegal status of ICO/TGELegal, ethical and societal aspects of (decentralized) virtual currenciesNew applications of the blockchainNew business models for permissioned and permissionless blockchainsOff-chain payment channelsPeer-to-peer broadcast networks/topologiesPermissioned (e.g. Hyperledger) and permissionless (e.g. Bitcoin) blockchainsPrivacy and anonymity-enhancing technologiesProof-of-work, and its alternatives (e.g., proof-of-stake, proof-of-burn, and virtual mining)Real-world measurements and metricsRegulation and law enforcementRelation to other payment systemsScalability and scalable services for blockchain systemsSecurity of blockchainsSmart Contract Programming Languages and VMsTransaction graph analysisUsability and user studies