# \#tx-ordering **URL:** https://research.arbitrum.io/tag/tx-ordering/4.md [Latest](https://research.arbitrum.io/latest.md) · [Categories](https://research.arbitrum.io/categories.md) · [Tags](https://research.arbitrum.io/tags.md) --- ## [TitanArb — A Live-Capable DeFi Arbitrage Engine on Arbitrum One](https://research.arbitrum.io/t/titanarb-a-live-capable-defi-arbitrage-engine-on-arbitrum-one/9805)
**Author:** [@Jupiter](https://research.arbitrum.io/u/Jupiter)\ **Replies:** 0\ **Last updated:** [August 29, 2026, 8:55pm UTC](https://research.arbitrum.io/t/titanarb-a-live-capable-defi-arbitrage-engine-on-arbitrum-one/9805 "2026-08-29T20:55:36Z")
Hi everyone, I’ve been building a DeFi arbitrage engine on Arbitrum One called TitanArb, and I’d really like to get feedback from people who understand the Arbitrum ecosystem, DEX infrastructure, MEV, and execution syst… --- ## [FairFlow: Leveraging TimeBoost to Build a Fair and Transparent L2 MEV Economy](https://research.arbitrum.io/t/fairflow-leveraging-timeboost-to-build-a-fair-and-transparent-l2-mev-economy/9735)
**Author:** [@kosunghun317](https://research.arbitrum.io/u/kosunghun317)\ **Replies:** 0\ **Last updated:** [April 14, 2025, 1:22pm UTC](https://research.arbitrum.io/t/fairflow-leveraging-timeboost-to-build-a-fair-and-transparent-l2-mev-economy/9735 "2025-04-14T13:22:10Z")
FairFlow: Leveraging TimeBoost to Build a Fair and Transparent L2 MEV Economy About the Author The author, Ko Sunghun, is a researcher at Radius. The author thanks Tariz, AJ Park, and Chanyang Ju from Radius for their f… --- ## [TimeBoost and Backrunning: Probabilistic Strategies](https://research.arbitrum.io/t/timeboost-and-backrunning-probabilistic-strategies/9727)
**Author:** [@kakia](https://research.arbitrum.io/u/kakia)\ **Replies:** 0\ **Last updated:** [March 18, 2025, 1:42pm UTC](https://research.arbitrum.io/t/timeboost-and-backrunning-probabilistic-strategies/9727 "2025-03-18T13:42:45Z")
We study backrunning strategies and the effect of TimeBoost policy on them. The modeling and analysis allows to answer the following questions: how much of backrunning opportunity value goes to the time advantaged part… --- ## [Decentralized Timeboost Specification](https://research.arbitrum.io/t/decentralized-timeboost-specification/9676)
**Author:** [@jill-espresso](https://research.arbitrum.io/u/jill-espresso)\ **Replies:** 2\ **Last updated:** [September 25, 2024, 8:24pm UTC](https://research.arbitrum.io/t/decentralized-timeboost-specification/9676 "2024-09-25T20:24:09Z")
Decentralized Timeboost Specification - Feedback Welcome We’re excited to share that Espresso Systems and Offchain Labs have jointly published the full specifications for Decentralized Timeboost. The design builds off o… --- ## [Decentralized Timeboost R&D Update](https://research.arbitrum.io/t/decentralized-timeboost-r-d-update/9550)
**Author:** [@ian-espresso](https://research.arbitrum.io/u/ian-espresso)\ **Replies:** 1\ **Last updated:** [April 2, 2024, 2:17pm UTC](https://research.arbitrum.io/t/decentralized-timeboost-r-d-update/9550 "2024-04-02T14:17:33Z")
Hey everyone, this is Ian from the Espresso Systems team. As some of you know, Espresso Systems has been working closely with the Offchain Labs team on developing Decentralized Timeboost, a modified first come-first ser… --- ## [Bundle imitation on Arbitrum](https://research.arbitrum.io/t/bundle-imitation-on-arbitrum/9503)
**Author:** [@halo3mic](https://research.arbitrum.io/u/halo3mic)\ **Replies:** 3\ **Last updated:** [October 12, 2023, 1:57pm UTC](https://research.arbitrum.io/t/bundle-imitation-on-arbitrum/9503 "2023-10-12T13:57:01Z")
Hi :wave:, Recently, I researched if the effect of bundles can be mimicked on Arbitrum before bundles are natively supported. I am sharing the methods, results and findings here: Bundle imitation on Arbitrum - HackMD. T… --- ## [Thoughts on Arbitrum's Proposal to Score Connections by PoW](https://research.arbitrum.io/t/thoughts-on-arbitrums-proposal-to-score-connections-by-pow/8121)
**Author:** [@zkstonks](https://research.arbitrum.io/u/zkstonks)\ **Replies:** 1\ **Last updated:** [March 1, 2023, 9:21pm UTC](https://research.arbitrum.io/t/thoughts-on-arbitrums-proposal-to-score-connections-by-pow/8121 "2023-03-01T21:21:07Z")
Offchain Labs is developing a proof-of-work mechanism to disincentivize massive sybil attacks by MEV searchers on the Arbitrum sequencer. In this post, I describe issues with the proposed mechanism and suggest alternativ… --- ## [Hybrid transaction ordering policy](https://research.arbitrum.io/t/hybrid-transaction-ordering-policy/155)
**Author:** [@edfelten](https://research.arbitrum.io/u/edfelten)\ **Replies:** 6\ **Last updated:** [November 4, 2022, 1:22pm UTC](https://research.arbitrum.io/t/hybrid-transaction-ordering-policy/155 "2022-11-04T13:22:34Z")
Inspired by some discussions and posts about transaction ordering (like this one), we’re thinking about how we might maintain the desirable properties of our transaction ordering policy (such as low latency, transparency…