5 papers
Hermes: Low Tail-Latency Via Prefix Consensus
Alejandro Ranchal-Pedrosa, Dakai Kang, Neil Giridharan +3
Leader-based BFT protocols finalize through their leaders: a view whose leader is crashed or slow finalizes nothing, and the timeout that ends it admits no good setting. A conserva…
Slack and Budget Breaking in Threshold Team Production
Benjamin Marsh, Alejandro Ranchal-Pedrosa
A threshold system completes a public task only after verifiable shares are publicly committed. If the honest schedule creates \( \Nstar=κ+Î\) share opportunities by deadlin…
SNARE: A TRAP for Rational Players to Solve Byzantine Consensus in the 5f+1 Model
Alejandro Ranchal-Pedrosa, Benjamin Marsh
The TRAP protocol solves rational agreement by combining accountable consensus with a one-shot BFTCR finalization phase. We present SNARE (Scalable Nash Agreement via Reward and Ex…
A mechanism design overview of Sedna
Benjamin Marsh, Alejandro Ranchal-Pedrosa
Sedna is a coded multi-proposer consensus protocol in which a sender shards a transaction payload into rateless symbols and disseminates them across parallel proposer lanes, provid…
Sedna: Sharding transactions in multiple concurrent proposer blockchains
Alejandro Ranchal-Pedrosa, Benjamin Marsh, Lefteris Kokoris-Kogias +1
Modern blockchains increasingly adopt multi-proposer (MCP) consensus to remove single-leader bottlenecks and improve censorship resistance. However, MCP alone does not resolve how…