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Notes on landing Solana transactions

How slots, leaders, stake and tips decide which transaction lands first. Written by the team that runs FastRelay.

  1. Staked traffic goes firstThe leader admits staked connections on a direct path to the slot, while unstaked traffic waits in a hold for whatever capacity is left.UNSTAKEDwaiting for capacitySTAKEDNLEADERSLOT N
    The leader admits staked connections on a direct path to the slot, while unstaked traffic waits in a hold for whatever capacity is left.

    7 min read

    Why staked SOL decides who lands first on Solana

    Leaders reserve their inbound capacity for staked connections. Why public RPC loses races, and how a share of pooled priority changes the odds.

  2. The same tip, two currenciesThe tip gauge reads lower when the tip is paid in $RELAY than when it is paid in SOL, and part of every confirmed $RELAY tip is burned.TIP IN SOLTIP IN $RELAYPART OF EVERY $RELAY TIP IS BURNED
    The tip gauge reads lower when the tip is paid in $RELAY than when it is paid in SOL, and part of every confirmed $RELAY tip is burned.

    7 min read

    SOL vs $RELAY tips: how the discount and burn work

    Tips start at 0.001 SOL, or cost less in $RELAY. How TWAP pricing keeps the discount fair, and why supply contracts with usage.

  3. Two ways to reach the leaderA transaction sent over staked paths converges on slot N and lands; the same transaction sent through the public queue circles in a hold and lands a slot late, on N+1.PUBLIC RPCSIGNED TXNSLOT NLANDEDN+1SLOT N+1LATE
    A transaction sent over staked paths converges on slot N and lands; the same transaction sent through the public queue circles in a hold and lands a slot late, on N+1.

    7 min read

    How transaction landing priority works on Solana

    Slots, leaders, and stake-weighted QoS decide who lands first. A plain-English walk through the mechanics of Solana transaction landing.

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