The Dash Core development team has released version v22.0.0, marking a significant milestone in the evolution of the Dash blockchain. This update is not only a major release introducing new features and performance enhancements but also a mandatory upgrade for all nodes due to the inclusion of a hard fork. Nodes that fail to update to this version will be incompatible with the Dash network, effectively rendering them non-operational.
Asset Unlock Transactions (Platform Transfer)
One of the most critical aspects of Dash Core v22.0.0 is the introduction of Asset Unlock Transactions through a new fork. This feature enhances the handling of withdrawals and changes consensus rules to improve network efficiency and reliability.
Key Changes in Asset Unlock Transactions:
- Validation Logic Update: The update ensures that all 24 active quorums and the most recent inactive quorum are utilized for transaction validation. This resolves issues in previous versions where withdrawals might be rejected with the error bad-assetunlock-not-active-quorum even when the quorum was active.
- Increased Withdrawal Limits: The withdrawal limit has been raised to a flat 2,000 Dash per 576 blocks (~2 days), doubling the previous limit of 1,000 Dash. This improvement offers greater flexibility for users performing large-scale transactions.
- Increased Minimum Protocol Version:
- General nodes must now support protocol version 70216.
- Masternodes require a higher protocol version of 70235 to maintain compatibility and performance within the network.
Key Features and Improvements
This section outlines the major enhancements introduced in Dash Core v22.0.0, focusing on network performance, security, and user functionality. These updates are designed to improve the overall robustness and efficiency of the Dash ecosystem, ensuring a seamless experience for both users and node operators.
1. Enhanced Network Functionality
- Improved Onion Connectivity: Nodes with Tor (onion) connectivity are now configured to maintain at least two outbound connections to the onion network. This ensures robust message propagation even in scenarios where IPv4 traffic is blocked. Additionally, these connections are protected from eviction, guaranteeing persistent communication for privacy-centric users.
- Multi-Network Connectivity: Nodes capable of reaching multiple networks (e.g., IPv4, IPv6, Tor) will actively ensure at least one outbound connection to each network. This design significantly reduces the risk of network partition attacks, enhancing the resilience of the Dash ecosystem.
2. Protocol Enhancements
- Validation Logic Update: The updated validation mechanism ensures accurate recognition of active quorums, eliminating potential bottlenecks in transaction processing.
3. Optimized Synchronization
- Increased Compressed Block Headers Request Limit: Starting with protocol version 70235, nodes can now request up to 8,000 compressed block headers at once, a significant increase from the previous limit of 2,000. This enhancement improves synchronization speeds, particularly for new or recovering nodes.
4. Security and Privacy Enhancements
- BIP324 Encrypted Communication: Dash Core v22.0.0 introduces experimental support for BIP324, enabling encrypted communication between nodes for P2P traffic. This feature protects against traffic analysis and eavesdropping, ensuring confidentiality and data integrity. While disabled by default, users can enable this feature by adding v2transport=1 to their configuration file. This move underscores Dash’s commitment to pioneering privacy and security features for blockchain networks.
- DSQ Message Broadcast Update: As of protocol version 70234, DSQ messages now utilize the inventory system for broadcast instead of direct peer relays. This approach significantly reduces bandwidth requirements, especially for highly connected masternodes, optimizing resource utilization across the network.
Why This Update Matters
Dash Core v22.0.0 represents a pivotal step in the blockchain’s journey toward greater scalability, security, and usability. The integration of advanced features like Asset Unlock Transactions, BIP324 encryption, and onion connectivity enhancements underlines Dash’s position as a leader in blockchain innovation.
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