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Cluster
The Live Consensus Layer for Solana

CHRONOThe live layer for slots

Watch slots advance. Track leader handovers in real time. Understand multi-bank candidates and deterministic consensus finality (SIMD-0326 protocol target: <150ms).

Open Live StreamTransaction Autopsy
CORE TELEMETRYMS TARGET
Current Slot
—
Slot PhaseCALIBRATING
Active LeaderCALIBRATING...
Deterministic Finality12.8sTowerBFT 32-lockout root
SIMD-0525250ms target slots•
SIMD-0326Alpenglow Votor consensus•
FAST PATH80% stake notarization•
SIMD-0337Fast leader handover•
BLOCK FOOTERBLS aggregate certs•
BANK GRAPHMulti-bank candidate resolution•
SIMD-0525250ms target slots•
SIMD-0326Alpenglow Votor consensus•
FAST PATH80% stake notarization•
SIMD-0337Fast leader handover•
BLOCK FOOTERBLS aggregate certs•
BANK GRAPHMulti-bank candidate resolution•
Live Consensus Telemetry

Deterministic timing.
Measured in microseconds.

CHRONO OFFLINE
local-chrono-service00:00:00
Alpenglow Telemetry Coverage Matrix
0% of consensus dimensions observable under current provider profile
PUBLIC RPC (3/10 DIMENSIONS)
1. Source ObservationNETWORK STREAM
~45ms

WAN stream ingress to local Chrono Service adapter.

2. Chrono Core Pipeline[MEASURED]
2.00µs (p50)

Zero-allocation Rust core: BankGraph insert & canonical resolve.

3. Browser RenderDOM DISPATCH
< 2.5ms

Localhost WebSocket delivery and React concurrent reconcile.

Active Slot Engine
SLOT —
CALIBRATING
Progress: 0% | Target: ms
0ms (Slot Boundary)125ms (Half Window)ms (Handoff Target)
CURRENT SLOTUNAVAILABLE
UNAVAILABLE
undefinedms window
SLOT DURATIONDERIVED
undefinedms
Protocol Target Duration (undefinedms)
CURRENT LEADERDERIVED
CALIBRATING...
Phase: UNKNOWN
NEXT LEADERDERIVED
CALIBRATING...
Handoff scheduled
TIME REMAININGESTIMATED
undefinedms
Drift: undefinedms
CANDIDATE BANKSDIRECT
01 BRANCH
Linear canonical block stream (Public RPC)
FINALITY STATEDIRECT
FINALIZED
TowerBFT 32-slot lockout root
FINALITY LATENCYDIRECT
12.8s
TowerBFT progressive lockout root (32 slots × 400ms)
Alpenglow Bank Graph (SIMD-0326 / SIMD-0337)

Candidate banks.
Slots are no longer single blocks.

Under fast leader handover, leaders initiate blocks optimistically. Multiple banks compete per slot until one is notarized.
SIMD-0337 UpdateParent live stream monitor active
No active parent switch in current slot windowMonitoring UpdateParent (SIMD-0337)
BANK DATA LIMITED — SOURCE: PUBLIC RPC (FREE TIER)
Validator-local bank_id streaming requires internal Yellowstone Geyser relay
SLOT — CONSENSUS BRANCH STATESYNCHRONIZING CANDIDATE BRANCHES...
Awaiting slot observation from cluster stream...
* bank_id is validator-local in Agave 4.3; not globally unique across clusterCross-provider reconciliation standard: (slot, blockhash)
Alpenglow Consensus Verification

Deterministic finality.
In one slot window.

TowerBFT required 32 progressive lockout confirmations across 12.8 seconds. Under Alpenglow (SIMD-0326), Votor replaces on-chain votes with off-chain BLS certificates, targeting sub-150ms deterministic settlement.

FAST PATH THRESHOLD80.0%Single-round notarization
BLOCK SPACE RECLAIMED~75%Zero on-chain vote txs
Finality Engine
FALLBACK PATH (32-SLOT ROOT)
Live Finality Latency (TowerBFT 32-Slot Progressive Root)
12.8s
Slot — • 32 progressive lockouts (~12.8s) • SIMD-0326 Alpenglow replaces this with <150ms BLS certificates
OBSERVED
Slot and block observed via provider stream
0msDIRECT
CANONICAL
Confirmed blockhash verified on active cluster branch
BRANCH WINNERDERIVED
FINALIZED
TowerBFT 32-slot progressive lockout root
32 LOCKOUTS (~12.8s)DIRECT
Forensic Analysis

Transaction autopsy.

Inspect the exact candidate bank, parent lineage, and finality path of any transaction. Verify if an execution survived a fast leader parent switch.

Query live validator state, blockhash, compute units, and parent switch status.Dedicated Forensics Page
Developer Primitives

Open infrastructure.
Zero vendor lock-in.

CHRONO unifies fragmented RPC WebSockets, Yellowstone gRPC, and validator local states into a clean, normalized stream.

Rust Core Source of Truth

All protocol state, bank graphs, and finality tracked strictly in high-performance Rust.

Zero Browser RPC Networking

Frontend consumes normalized local stream. Zero direct browser-to-Solana RPC latency.

Monotonic Sequence Numbering

Every event carries a sequence number for gap detection and instant ring-buffer replay.

$0-First Devnet & Local Fixtures

Runs entirely on open Devnet/Testnet or deterministic local Geyser specification fixtures.

Service StatusCONNECTING
Active Sourcelocal-chrono-service
Monotonic Sequence#0
Schema & Clientsv1 (1 peer)
Listening to cluster stream...
Local Snapshot: GET /api/v1/snapshotWebSocket Stream: WS /api/v1/stream