Week 4 BIS Blockchain

Feb 11, 2025

Blockchain Made Simple

Introduction to Blockchain

  • Definition: Blockchain is a distributed ledger technology to store and track data.
  • Comparison: Unlike paper ledgers and computerized databases, blockchain offers unique features.

Components of a Block

  • Data: The block stores various types of information such as financial, supply chain, property transactions, and medical records.
  • Block Hash: A unique cryptographic value that identifies the block, acting like a fingerprint. A change in data results in a changed hash.
  • Previous Block Hash: Links blocks together, forming a blockchain.

Structure of a Blockchain

  • Chain Example: Blocks are linked through previous hashes, creating a sequence.
  • Genesis Block: The first block in a blockchain, which has no previous hash.
  • Tampering Detection: Changing a block's data alters the hash, breaking the chain.

Security Features

  • Distributed Network: Blockchain is shared across multiple computers, unlike centralized databases, reducing tampering risk.
  • Consensus Mechanism: New blocks are added only after network majority approval, enhancing trust and security.

Real-World Application

  • Property Transactions: Uses blockchain for peer-to-peer transactions, reducing the need for intermediaries and allowing real-time settlement.
  • Company Benefits: Improves data security and reduces the risk of breaches in centralized systems.

Importance of Blockchain

  • Survey Insights: 55% of organizations consider blockchain as a top strategic priority.
  • Beyond Finance: Potential to enhance transparency, reduce reliance on paper and intermediaries, impacting various sectors.

Conclusion

  • Benefits: Safe, decentralized peer-to-peer transactions and enhanced data protection.
  • Future Implications: Offers a new interaction paradigm for individuals and organizations.

Additional Resources

  • FS Insight: Offers market research, including financial and crypto updates.