#08 Blockchain y Criptomonedas - Económicas UBA
Introduction to Cryptocurrency Risks
Overview of the Presentation
- The speaker introduces themselves as an actuary, public accountant, and professor specializing in financial calculations and smart contracts. They welcome participants to a presentation on cryptocurrency risks.
Understanding Smart Contracts
- Smart contracts are defined as computer codes or protocols that facilitate transactions without human intervention. However, they can be modified by administrators, introducing governance risks.
- These contracts require accurate external information for execution; any inaccuracies lead to what is known as oracle risk.
Market Dynamics and Environmental Concerns
Decentralized vs Centralized Exchanges
- The presentation discusses decentralized exchanges (DEX) operating differently from traditional exchanges, with some using market makers while others rely on order books.
- A significant concern is the environmental impact of cryptocurrencies due to high energy consumption required for blockchain operations, termed environmental risk.
Custody Risks
- Cryptocurrencies must be stored securely in virtual wallets or custodial services; failure to access these can pose significant risks over time.
Types of Risks Associated with Protocols
Logical Errors and Economic Attacks
- Two main types of risks linked to smart contract protocols include logical errors within the code and potential economic attacks targeting these protocols based on their coding structure. Examples illustrate how minor coding mistakes can lead to substantial financial losses.
Governance Risks in Protocol Changes
Mechanisms for Protocol Modification
- Some protocols require active administrator participation for modifications, while others do not; this creates governance risks where changes could favor malicious actors at the expense of other users. Tokens often represent rights in protocol changes but may lead to centralization issues if one entity holds too many tokens.
Oracle Risk and Transaction Processing Capacity
Importance of Reliable Data Sources
- Oracles play a crucial role by providing necessary data for smart contracts; however, reliance on them introduces trust issues regarding data accuracy and timeliness which are critical for protocol functionality. Three types of oracles are discussed: decentralized voting systems, centralized entities providing asynchronous responses, and specific service providers tailored for certain protocols.
Scalability Challenges
- Current blockchain systems face scalability challenges with limited transaction processing capabilities compared to traditional systems like Visa; improvements are anticipated with upcoming updates such as Ethereum 2.0 aimed at enhancing transaction speeds significantly through different consensus mechanisms (Proof of Work vs Proof of Stake).
Risks Associated with Decentralized Exchanges
Price Adjustment Delays
- DEX functioning similarly to market makers may experience delays in price adjustments leading to potential trading losses when prices fluctuate rapidly between cryptocurrencies due to lagging updates in exchange rates.
Custodial Security Issues
- Different custody methods exist: physical wallets requiring offline devices versus virtual wallets susceptible to hacking threats; third-party custodians also introduce additional security vulnerabilities that need addressing through cold storage solutions or insurance against cyberattacks.
Regulatory Landscape
Growing Government Oversight
- As cryptocurrency markets expand, governments worldwide are increasingly focusing on regulation including anti-money laundering measures which present implementation challenges due to cross-border coordination difficulties among various jurisdictions.
An example cited includes Bitfinex's regulatory hurdles faced during its project launch attempts in 2018 due to compliance issues.