Cryptocurrency Content Selection Guide
In today's information-rich digital age, filtering high-quality, reliable information from the vast amount of cryptocurrency-related content is a crucial challenge for every investor and industry participant. This guide will carefully recommend various quality content resources to help you build a comprehensive knowledge system.
News Media Recommendations
Authoritative News Platforms
CoinDesk
- Position: Global leading blockchain news media
- Features: In-depth analysis reports, authoritative market interpretation
- Content: News, analysis, price data, conference coverage
- Language: Primarily English, some Chinese content
- Update Frequency: Real-time updates
- Why Recommended: Industry benchmark, highly professional, significant influence
Cointelegraph
- Position: International blockchain media platform
- Features: Global perspective, balanced focus on technology and markets
- Content: News, technical analysis, market predictions
- Language: Multi-language versions, including Chinese
- Update Frequency: Multiple daily updates
- Why Recommended: Rich content, diverse perspectives, timely updates
The Block
- Position: Professional blockchain research media
- Features: Data-driven, in-depth research
- Content: Research reports, data analysis, exclusive news
- Language: English
- Update Frequency: Regular updates
- Why Recommended: Authoritative data, deep analysis, high research value
Decrypt
- Position: Mainstream-oriented blockchain media
- Features: Easy to understand, user experience focused
- Content: News interpretation, educational content, product reviews
- Language: English
- Update Frequency: Daily updates
- Why Recommended: Accessible content, suitable for beginners
Chinese Media Platforms
ChainNews
- Position: Chinese blockchain information platform
- Features: In-depth reporting, industry insights
- Content: News, analysis, project interpretation
- Language: Chinese
- Update Frequency: Daily updates
- Why Recommended: High-quality Chinese content, good localization
8btc (Babit)
- Position: China's blockchain information service platform
- Features: Active community, comprehensive content
- Content: News, forums, education, tools
- Language: Chinese
- Update Frequency: Real-time updates
- Why Recommended: Long history, large community, rich resources
Golden Finance
- Position: Blockchain financial media
- Features: Timely news, high market sensitivity
- Content: Breaking news, in-depth analysis, market data, events
- Language: Chinese
- Update Frequency: Real-time updates
- Why Recommended: Fast information updates, comprehensive market coverage
Mars Finance
- Position: Blockchain industry service platform
- Features: Industry perspective, business analysis
- Content: News, columns, research reports, events
- Language: Chinese
- Update Frequency: Daily updates
- Why Recommended: Deep industry analysis, high business value
Professional Research Institutions
Messari
- Position: Crypto asset research platform
- Features: Data-driven, professional research
- Content: Research reports, data analysis, project ratings
- Language: English
- Update Frequency: Regular research report releases
- Why Recommended: High research depth, strong data authority
Delphi Digital
- Position: Blockchain research and consulting company
- Features: Institutional-grade research, investment perspective
- Content: Research reports, market analysis, investment strategies
- Language: English
- Update Frequency: Regular releases
- Why Recommended: Institutional perspective, high investment value
Coin Metrics
- Position: Blockchain data and research company
- Features: On-chain data analysis, quantitative research
- Content: Data reports, network analysis, market research
- Language: English
- Update Frequency: Regular updates
- Why Recommended: Professional data, objective analysis
Educational Learning Resources
Online Course Platforms
Coursera Blockchain Courses
- Providers: Renowned universities and institutions
- Course Type: Systematic academic courses
- Content Coverage: Blockchain technology, cryptocurrencies, smart contracts
- Language: Multi-language, including Chinese subtitles
- Cost: Partially free, certification courses paid
- Why Recommended: Academic authority, systematic and comprehensive
edX Blockchain Professional Courses
- Providers: Top universities like MIT, Berkeley
- Course Type: Professional technical courses
- Content Coverage: Blockchain principles, development practices
- Language: Primarily English
- Cost: Basic courses free, certification paid
- Why Recommended: High technical depth, strong practicality
Udemy Cryptocurrency Courses
- Providers: Industry experts and practitioners
- Course Type: Practical skill courses
- Content Coverage: Investment strategies, technical analysis, project development
- Language: Multi-language versions
- Cost: Paid courses, frequent discounts
- Why Recommended: Strong practicality, timely updates
Binance Academy
- Provider: Binance Exchange
- Course Type: Free educational resources
- Content Coverage: Basic concepts to advanced strategies
- Language: Multi-language versions, including Chinese
- Cost: Completely free
- Why Recommended: Comprehensive content, completely free, timely updates
Technical Documentation and Guides
Ethereum.org
- Content: Official Ethereum documentation
- Coverage: Developer resources, user guides
- Features: Authoritative and accurate, real-time updates
- Language: Multi-language versions
- Why Recommended: Official authority, technical accuracy
Bitcoin.org
- Content: Official Bitcoin resources
- Coverage: Basic knowledge, technical documentation
- Features: Neutral and objective, education-oriented
- Language: Multi-language versions
- Why Recommended: Bitcoin authoritative resource
Solidity Documentation
- Content: Smart contract development language
- Coverage: Syntax tutorials, best practices
- Features: Official documentation, detailed and comprehensive
- Language: Primarily English
- Why Recommended: Development essential, officially maintained
Web3.js Documentation
- Content: Ethereum JavaScript library
- Coverage: API documentation, usage examples
- Features: Strong practicality, rich examples
- Language: English
- Why Recommended: Frontend development essential
Book Recommendations
"Mastering Bitcoin"
- Author: Andreas M. Antonopoulos
- Content: In-depth Bitcoin technical analysis
- Suitable For: Technical personnel and deep learners
- Language: Both Chinese and English versions available
- Why Recommended: Technical authority, comprehensive depth
"Mastering Ethereum"
- Authors: Andreas M. Antonopoulos, Gavin Wood
- Content: Detailed explanation of Ethereum and smart contracts
- Suitable For: Developers and technology enthusiasts
- Language: Both Chinese and English versions available
- Why Recommended: Ethereum authoritative guide
"Blockchain Revolution"
- Authors: Don Tapscott, Alex Tapscott
- Content: Blockchain business applications and social impact
- Suitable For: Business professionals and investors
- Language: Both Chinese and English versions available
- Why Recommended: Business perspective, easy to understand
"Digital Gold"
- Author: Nathaniel Popper
- Content: Bitcoin development history
- Suitable For: General readers and history enthusiasts
- Language: Both Chinese and English versions available
- Why Recommended: Strong narrative, engaging
Data Analysis Tools
Price and Market Data
CoinMarketCap
- Function: Price data aggregation platform
- Features: Comprehensive coverage, accurate data
- Tools: Price tracking, market cap rankings, historical data
- Language: Multi-language versions
- Cost: Basic features free
- Why Recommended: Industry standard, authoritative data
CoinGecko
- Function: Comprehensive data analysis platform
- Features: Rich data dimensions, active community
- Tools: Price, development activity, community data
- Language: Multi-language versions
- Cost: Basic features free
- Why Recommended: Comprehensive data, in-depth analysis
TradingView
- Function: Professional charting analysis platform
- Features: Rich technical analysis tools
- Tools: Chart analysis, indicator tools, community sharing
- Language: Multi-language versions
- Cost: Basic free, advanced features paid
- Why Recommended: Highly professional, comprehensive tools
CryptoCompare
- Function: Cryptocurrency data service
- Features: API services, high data quality
- Tools: Price data, news aggregation, portfolio tracking
- Language: Primarily English
- Cost: Basic free, API paid
- Why Recommended: High data quality, API-friendly
On-Chain Data Analysis
Glassnode
- Function: On-chain data analysis platform
- Features: Professional indicators, institutional-grade analysis
- Tools: Network health, market sentiment, holder analysis
- Language: English
- Cost: Basic free, professional version paid
- Why Recommended: Professional indicators, high analysis depth
Chainalysis
- Function: Blockchain analysis and compliance
- Features: Compliance-oriented, institutional services
- Tools: Transaction tracking, risk assessment, compliance reports
- Language: English
- Cost: Enterprise-level paid services
- Why Recommended: Compliance authority, institutional recognition
Dune Analytics
- Function: Custom data analysis
- Features: SQL queries, visualization display
- Tools: Custom queries, dashboards, data sharing
- Language: English
- Cost: Basic free, advanced features paid
- Why Recommended: High flexibility, active community
Nansen
- Function: Smart wallet labeling and analysis
- Features: Smart money tracking, labeling system
- Tools: Wallet analysis, fund flow, hotspot discovery
- Language: English
- Cost: Paid professional service
- Why Recommended: Accurate labeling, unique insights
DeFi Data Platforms
DeFi Pulse
- Function: DeFi protocol data tracking
- Features: TVL rankings, protocol analysis
- Tools: Total value locked, protocol comparison, historical data
- Language: English
- Cost: Free
- Why Recommended: DeFi authority, accurate data
DefiLlama
- Function: Multi-chain DeFi data aggregation
- Features: Cross-chain support, comprehensive data
- Tools: TVL tracking, yield comparison, protocol analysis
- Language: English
- Cost: Free
- Why Recommended: Comprehensive cross-chain, timely updates
Zapper
- Function: DeFi portfolio management
- Features: User-friendly, integrated functionality
- Tools: Asset tracking, yield analysis, protocol interaction
- Language: English
- Cost: Free
- Why Recommended: Friendly interface, practical functionality
DeBank
- Function: DeFi wallet tracking
- Features: Chinese-friendly, clear interface
- Tools: Asset overview, protocol interaction, yield analysis
- Language: Chinese and English
- Cost: Free
- Why Recommended: Chinese support, convenient to use
Communities and Forums
International Community Platforms
Reddit - r/cryptocurrency
- Type: Comprehensive discussion community
- Features: Large user base, active discussions
- Content: News discussions, project analysis, experience sharing
- Language: Primarily English
- Why Recommended: Large amount of information, diverse viewpoints
Reddit - r/bitcoin
- Type: Bitcoin-specific community
- Features: Bitcoin enthusiast gathering place
- Content: Bitcoin-related discussions and news
- Language: English
- Why Recommended: Bitcoin authoritative community
Reddit - r/ethereum
- Type: Ethereum community
- Features: More technical discussions
- Content: Ethereum technology and ecosystem discussions
- Language: English
- Why Recommended: High technical content, active developers
BitcoinTalk
- Type: Veteran Bitcoin forum
- Features: Long history, technology-oriented
- Content: Technical discussions, project launches, trading discussions
- Language: Multi-language sections
- Why Recommended: High historical value, technical authority
Chinese Community Platforms
BiHu
- Type: Blockchain content community
- Features: Content incentives, high quality
- Content: Original articles, project analysis, investment insights
- Language: Chinese
- Why Recommended: High content quality, good incentive mechanism
Zhihu - Blockchain Topics
- Type: Knowledge Q&A community
- Features: In-depth answers, strong professionalism
- Content: Technical answers, concept explanations, industry analysis
- Language: Chinese
- Why Recommended: High answer quality, many professionals
Weibo - Blockchain KOLs
- Type: Social media platform
- Features: Fast information dissemination, high influence
- Content: Breaking news, opinions, market analysis
- Language: Chinese
- Why Recommended: Timely information, high influence
Telegram Chinese Groups
- Type: Instant messaging groups
- Features: Real-time discussion, fast information
- Content: Real-time discussions, news sharing, project exchanges
- Language: Chinese
- Why Recommended: Strong real-time nature, good interactivity
Professional Developer Communities
GitHub
- Type: Code hosting and collaboration platform
- Features: Open source project hub
- Content: Project code, technical documentation, issue discussions
- Language: Primarily English
- Why Recommended: Technical authority, comprehensive projects
Stack Overflow
- Type: Technical Q&A community
- Features: Technical problem solving
- Content: Programming questions, technical discussions, solutions
- Language: Primarily English
- Why Recommended: Authoritative technical problem answers
Discord Developer Servers
- Type: Real-time chat community
- Features: Official project communities
- Content: Real-time discussions, technical support, community events
- Language: Primarily English
- Why Recommended: Official support, real-time interaction
Podcast and Video Content
English Podcast Recommendations
Unchained Podcast
- Host: Laura Shin
- Features: In-depth interviews, industry leaders
- Content: Industry interviews, project analysis, market analysis
- Update Frequency: Weekly updates
- Why Recommended: High interview quality, authoritative guests
The Pomp Podcast
- Host: Anthony Pompliano
- Features: Investment perspective, business analysis
- Content: Investment strategies, market views, industry trends
- Update Frequency: Frequent updates
- Why Recommended: Unique investment perspective, clear viewpoints
Bankless
- Hosts: Ryan Sean Adams, David Hoffman
- Features: DeFi professional, Ethereum ecosystem
- Content: DeFi analysis, protocol interpretation, strategy guidance
- Update Frequency: Multiple times weekly
- Why Recommended: DeFi authority, professional content
What Bitcoin Did
- Host: Peter McCormack
- Features: Bitcoin-focused, diverse viewpoints
- Content: Bitcoin discussions, industry interviews, technical analysis
- Update Frequency: Weekly updates
- Why Recommended: Bitcoin professional, in-depth discussions
Chinese Podcast Recommendations
Blockchain Technology and Applications
- Platform: Multiple Chinese podcast platforms
- Features: Technology-oriented, in-depth analysis
- Content: Technical analysis, application cases, industry trends
- Update Frequency: Regular updates
- Why Recommended: Chinese technical content, strong professionalism
Crypto Daily Report
- Platform: Audio platforms
- Features: News updates, market analysis
- Content: Daily news, market commentary, project analysis
- Update Frequency: Daily updates
- Why Recommended: Timely information, accurate analysis
YouTube Channel Recommendations
Coin Bureau
- Host: Guy
- Features: Education-oriented, in-depth analysis
- Content: Project analysis, market interpretation, educational content
- Subscribers: 2M+
- Why Recommended: High content quality, objective analysis
InvestAnswers
- Host: James
- Features: Data-driven, investment analysis
- Content: Investment strategies, data analysis, market predictions
- Subscribers: 500K+
- Why Recommended: Detailed data, professional analysis
Benjamin Cowen
- Host: Benjamin Cowen
- Features: Technical analysis, mathematical modeling
- Content: Technical analysis, market cycles, data modeling
- Subscribers: 800K+
- Why Recommended: Professional technical analysis, scientific methods
99Bitcoins
- Features: Educational content, beginner-friendly
- Content: Basic education, operation guides, project introductions
- Subscribers: 700K+
- Why Recommended: Strong educational value, suitable for beginners
Investment Analysis Tools
Technical Analysis Tools
TradingView
- Function: Professional chart analysis
- Features: Rich indicators, active community
- Tools: Technical indicators, chart patterns, strategy backtesting
- Cost: Basic free, advanced paid
- Why Recommended: Highly professional, comprehensive functionality
Coinigy
- Function: Multi-exchange chart analysis
- Features: Unified interface, multi-platform support
- Tools: Chart analysis, trade execution, portfolio management
- Cost: Paid service
- Why Recommended: Multi-platform integration, convenient trading
CryptoWatch
- Function: Real-time prices and charts
- Features: Accurate data, timely updates
- Tools: Price monitoring, chart analysis, API services
- Cost: Basic free, advanced paid
- Why Recommended: High data quality, clear interface
Fundamental Analysis Tools
Messari
- Function: Project fundamental analysis
- Features: Comprehensive data, professional research
- Tools: Project ratings, financial analysis, competitive analysis
- Cost: Basic free, professional version paid
- Why Recommended: High analysis depth, authoritative data
Token Terminal
- Function: Protocol financial data
- Features: Traditional financial metrics application
- Tools: Revenue analysis, valuation models, comparative analysis
- Cost: Basic free, advanced paid
- Why Recommended: Unique financial perspective, professional analysis
CryptoMiso
- Function: Development activity tracking
- Features: GitHub activity analysis
- Tools: Code commits, developer activity, project comparison
- Cost: Free
- Why Recommended: Objective development activity indicators
Sentiment Analysis Tools
Fear & Greed Index
- Function: Market sentiment indicator
- Features: Multi-dimensional data synthesis
- Tools: Sentiment index, historical comparison, trend analysis
- Cost: Free
- Why Recommended: Authoritative sentiment indicator, high reference value
Santiment
- Function: Social sentiment analysis
- Features: Social media data mining
- Tools: Sentiment analysis, network activity, price correlation
- Cost: Basic free, professional version paid
- Why Recommended: Unique social data, innovative analysis
LunarCrush
- Function: Social media influence analysis
- Features: Social metrics quantification
- Tools: Social rankings, influence analysis, sentiment tracking
- Cost: Basic free, advanced paid
- Why Recommended: Social influence quantification, innovative indicators
Content Screening Criteria
Information Reliability Assessment
Source Authority
- Official Channels: Prioritize information from official project sources
- Reputable Media: Choose media platforms with good reputation
- Professional Institutions: Focus on reports from professional research institutions
- Industry Experts: Value opinions and analysis from industry experts
Content Objectivity
- Data Support: Prefer analytical content supported by data
- Multi-source Verification: Verify information authenticity through multiple sources
- Avoid Bias: Identify and avoid obviously biased content
- Balanced Reporting: Choose balanced reporting presenting multiple viewpoints
Timeliness Requirements
- Real-time Updates: Focus on information sources that can update timely
- Publication Time: Pay attention to information publication time and timeliness
- Historical Verification: Verify information source reliability through historical performance
- Trend Awareness: Choose content that can grasp industry trends
Content Quality Standards
Professional Depth
- Technical Accuracy: Accuracy and professionalism of technical content
- Analysis Depth: Depth and logic of analysis
- Industry Insights: Unique insights into industry development
- Practical Value: Actual application value of content
Clear Expression
- Clear Logic: Clear logical structure of content
- Accurate Language: Accurate use of professional terminology
- Easy Understanding: Popular expression of complex concepts
- Complete Structure: Complete content structure with highlighted key points
Update Frequency
- Regular Updates: Content can be updated regularly
- Timely Response: Timely response to market changes
- Continuous Improvement: Continuous improvement of content quality
- Community Feedback: Actively respond to community feedback
Learning Path Recommendations
Beginner Path
Phase 1: Basic Concepts
- Basic Knowledge: Start learning basic concepts from Binance Academy
- Introductory Books: Read introductory books like "Blockchain Revolution"
- News Following: Follow mainstream media like CoinDesk, Cointelegraph
- Community Participation: Join communities like Reddit to understand discussions
Phase 2: Deep Understanding
- Technical Learning: Learn technical principles of Bitcoin and Ethereum
- Market Analysis: Learn to use data tools like CoinMarketCap
- Project Research: Start researching mainstream projects and protocols
- Risk Awareness: Deeply understand investment risks and security knowledge
Phase 3: Practical Application
- Small Investment: Start with small investment practice
- Tool Usage: Learn to use various analysis tools
- Strategy Development: Develop personal investment strategies
- Continuous Learning: Maintain attention to new technologies and trends
Advanced Learning Path
Technical Deepening
- Technical Documentation: In-depth reading of technical whitepapers and documentation
- Development Practice: Try smart contract development
- Protocol Research: In-depth research of DeFi protocol mechanisms
- Security Learning: Learn blockchain security knowledge
Investment Advancement
- Advanced Analysis: Learn on-chain data analysis
- Quantitative Strategies: Research quantitative investment strategies
- Risk Management: Establish comprehensive risk management systems
- Portfolio Optimization: Optimize investment portfolio allocation
Industry Participation
- Community Contribution: Actively participate in open source projects
- Content Creation: Share learning insights and analysis
- Network Building: Build industry network connections
- Continuous Innovation: Focus on and participate in industry innovation
Information Acquisition Strategies
Diversified Information Sources
Media Combination
- Authoritative Media: CoinDesk, The Block and other authoritative media
- Community Discussions: Reddit, Telegram and other community platforms
- Professional Analysis: Messari, Delphi Digital and other research institutions
- Real-time Data: TradingView, Glassnode and other data platforms
Language Diversity
- English Resources: Get first-hand international information
- Chinese Content: Focus on localized analysis and discussions
- Multi-language Comparison: Get diverse perspectives through different language content
- Translation Tools: Use translation tools to expand information access range
Time Allocation
- Daily News: 30 minutes browsing important daily news
- Deep Reading: Weekly scheduled time for in-depth reading of research reports
- Community Interaction: Regular participation in community discussions and exchanges
- Learning Time: Continuously schedule time for learning new knowledge
Information Filtering Mechanisms
Importance Screening
- Market Impact: Prioritize information with significant market impact
- Technical Breakthroughs: Focus on important technological innovations and breakthroughs
- Regulatory Dynamics: Closely monitor regulatory policy changes
- Institutional Movements: Focus on large institutional investment movements
Credibility Verification
- Multi-source Verification: Verify important information through multiple sources
- Official Confirmation: Wait for official confirmation of important information
- Expert Opinions: Refer to industry expert analysis and opinions
- Historical Record: Consider historical accuracy of information sources
Noise Filtering
- Avoid Hype: Identify and avoid overly hyped content
- Rational Analysis: Stay rational, avoid emotional decision-making
- Long-term Perspective: Focus on long-term trends, reduce short-term noise impact
- Quality Priority: Prefer high-quality content, reduce low-quality information interference
Content Creation and Sharing
Knowledge Output Platforms
Writing Platforms
- Medium: International writing platform, technical article friendly
- Zhihu: Chinese knowledge sharing platform, active professional discussions
- BiHu: Blockchain-specific content platform, complete incentive mechanism
- Personal Blog: Build personal brand, long-term value accumulation
Video Platforms
- YouTube: International video platform, wide audience
- Bilibili: Chinese video platform, technical content popular
- TikTok: Short video platform, suitable for educational content
- Live Streaming: Real-time interaction, suitable for market analysis
Social Media
- Twitter: Real-time information sharing, high industry influence
- Weibo: Chinese social platform, fast dissemination speed
- LinkedIn: Professional network, suitable for industry analysis
- Telegram: Community operation, in-depth communication
Content Creation Suggestions
Topic Strategy
- Trend Tracking: Focus on industry hotspots and trends
- Deep Analysis: Provide unique in-depth analysis perspectives
- Education-oriented: Create content with educational value
- Strong Practicality: Focus on practical application value of content
Quality Standards
- Factual Accuracy: Ensure factual accuracy of content
- Clear Logic: Maintain content logic and organization
- Originality: Provide original viewpoints and analysis
- Readability: Focus on content readability and comprehensibility
Interactive Participation
- Respond to Comments: Actively respond to reader comments and questions
- Community Building: Build and maintain reader communities
- Collaborative Exchange: Collaborate and exchange with other creators
- Continuous Improvement: Continuously improve content quality based on feedback
Risk Warnings and Precautions
Information Risks
False Information
- Identification Ability: Develop ability to identify false information
- Verification Habits: Develop habits of multi-source verification
- Rational Judgment: Stay rational, avoid emotional judgment
- Professional Consultation: Seek professional advice before important decisions
Information Overload
- Screening Mechanism: Establish effective information screening mechanisms
- Focus Priority: Focus on the most important information sources
- Time Management: Reasonably allocate information acquisition time
- Regular Organization: Regularly organize and summarize acquired information
Bias Influence
- Multiple Perspectives: Actively seek different opinions and perspectives
- Critical Thinking: Develop critical thinking abilities
- Independent Judgment: Maintain independent thinking and judgment
- Continuous Learning: Reduce cognitive bias through learning
Investment Risks
Decision Risks
- Thorough Research: Conduct thorough research and analysis before investing
- Risk Assessment: Comprehensively assess investment risks
- Diversified Investment: Reduce risks through diversified investment
- Stop-loss Mechanism: Establish clear stop-loss mechanisms
Market Risks
- Volatility: Fully recognize market high volatility
- Liquidity: Pay attention to asset liquidity risks
- Regulatory Risk: Focus on regulatory policy change risks
- Technical Risk: Understand technology-related risks
Operational Risks
- Security Awareness: Improve network security awareness
- Private Key Management: Properly manage private keys and seed phrases
- Platform Selection: Choose reliable trading and storage platforms
- Cautious Operations: Stay cautious when performing important operations
Summary and Recommendations
In the rapidly developing cryptocurrency industry, obtaining high-quality, reliable information is key to success. Through the various resources and tools recommended in this guide, you can establish a complete information acquisition system, enhance your cognitive level and decision-making ability.
Key Recommendations:
- Diversified Information Sources: Don't rely on single information sources, establish diversified information acquisition channels
- Quality Over Quantity: Focus on high-quality content, avoid information overload
- Continuous Learning: Maintain a learning mindset, keep up with industry development pace
- Rational Analysis: Stay rational and objective, avoid emotional decision-making
- Risk Awareness: Always maintain risk awareness, do good risk management
- Community Participation: Actively participate in community discussions, expand knowledge networks
- Practice Integration: Combine theoretical learning with practice
- Long-term Perspective: Maintain long-term perspective, focus on industry development trends
Remember, in this industry full of opportunities and challenges, knowledge is power, and information is advantage. Through continuous learning and rational analysis, you will be able to find your own path to success in the cryptocurrency world.