2019年区块链技术大会(IBTC 2019)将于2019年1月5-7日在中国三亚举行。大会议题如下（不限于）：

Anti-fake and Traceability
Blockchain Algorithm and Theory
Blockchain and Bitcoin security 
Blockchain and Encryption Algorithm 
Blockchain and FinTech
Blockchain and IoT
Blockchain and Trust management 
Blockchain Architecture Practices
Blockchain in cyber physical systems 
Blockchain in edge computing 
Blockchain in social networking 
Blockchain Platforms for Applications 
Blockchain Solutions and Business Models
Blockchain Technology and Applications
Blockchain Technology Stack
Bolckchain in crowdsourcing and crowdsensing
Consensus protocols for blockchains
Cryptocurrency adoption and economic impacts
Cryptography, scripting
Cutting Edge Trends and Innovation on Blockchain
Digital Crypto Currency
Distributed consensus and fault tolerance mechanisms 
Identity, Identification and trust in blockchain systems
Investment and Business Model
Off-chain payment/state channels
Performance optimization of blockchain and decentralized schemes 
Privacy and anonymity-enhancing technologies
Protocols and algorithms based on blockchain
Security, privacy and trust of blockchain and decentralized schemes 
Smart contract and distributed ledger
Smart Contract Programming Languages