Kaia v2.1.0 dropped today 🧩
MEV auctions for CNs, new RocksDB support, major storage compression (up to 2 TB saved), faster archive syncs, and stronger RPC stability, all without a hardfork.
Infra keeps tightening as Kaia builds Asia's stablecoin layer.
Release notes ⤵️
Kaia v2.1.0 is live!
A focused upgrade bringing MEV Auction (KIP-249) support, API/storage improvements, and no hardfork required.
Here’s what it includes ⤵️
MEV Auction for CNs
• v2.1.0 accepts BidTx
• External Auctioneer connects via websocket (auction namespace) to deliver winners
• Enable WS and restrict exposure (firewall/allowlist recommended)
Full Nodes: Storage Efficiency
• LevelDB snappy is now default
• Reclaim disk by running chain DB compaction on older data (long-running; increased I/O)
Archive Nodes: Experimental FlatTrie
• Erigon-style state layout via --state.experimental-flat-trie
• Fresh sync required; some features unavailable (e.g., eth_getProof, live pruning, rewinds)
Also in v2.1.0
• RocksDB support
• RPC block params: “safe” / “finalized”
• EIP-7702 sanity checks
• Fine-grained compaction controls, perf & stability fixes
Upgrade recommended for CN/full/archive operators.
→ Downloads:
→ Release notes:

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