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Bibliographic Details
Main Author:	Wright, Craig
Format:	Preprint
Published:	2025
Subjects:	Computational Complexity Cryptography and Security Distributed, Parallel, and Cluster Computing Data Structures and Algorithms 03B70, 68M10, 91A80 F.4.1; D.4.6; C.2.2
Online Access:	https://arxiv.org/abs/2507.05809
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Safe Low Bandwidth SPV: A Formal Treatment of Simplified Payment Verification Protocols and Security Bounds
by: Wright, Craig S
Published: (2025)

Heaven & Hell II: Scale Laws and Robustness in One-Step Heaven-Hell Consensus
by: Aghanya, Nnamdi Daniel, et al.
Published: (2025)

On Immutable Memory Systems for Artificial Agents: A Blockchain-Indexed Automata-Theoretic Framework Using ECDH-Keyed Merkle Chains
by: Wright, Craig Steven
Published: (2025)

Pioplat: A Scalable, Low-Cost Framework for Latency Reduction in Ethereum Blockchain
by: Wang, Ke, et al.
Published: (2024)

A Formal Rebuttal of "The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability"
by: Wright, Craig
Published: (2025)

Pattern matching algorithms in Blockchain for network fees reduction
by: Susik, Robert, et al.
Published: (2022)

Securing Federated Sensitive Topic Classification against Poisoning Attacks
by: Chu, Tianyue, et al.
Published: (2022)

Privacy-Aware Split Inference with Speculative Decoding for Large Language Models over Wide-Area Networks
by: Cunningham, Michael
Published: (2026)

On Solving Problems of Substantially Super-linear Complexity in $N^{o(1)}$ Rounds in the MPC Model
by: Lingas, Andrzej
Published: (2026)

Readout-Side Bypass for Residual Hybrid Quantum-Classical Models
by: Zhang, Guilin, et al.
Published: (2025)

Security-enhanced Blockchain with Twin-Field Quantum Key Distribution: A Physical Layer enabled Architecture
by: Li, Xuan, et al.
Published: (2026)

Attack-Centric by Design: A Program-Structure Taxonomy of Smart Contract Vulnerabilities
by: Hedayatnia, Parsa, et al.
Published: (2025)

Mingling with the Good to Backdoor Federated Learning
by: Neves, Nuno
Published: (2025)

HashKitty: Distributed Password Analysis
by: Antunes, Pedro, et al.
Published: (2025)

Restless reachability problems in temporal graphs
by: Thejaswi, Suhas, et al.
Published: (2020)

Formal Security Analysis of SPV Clients Versus Home-Based Full Nodes in Bitcoin-Derived Systems
by: Wright, Craig Steven
Published: (2025)

A sandbox study proposal for private and distributed health data analysis
by: Brännvall, Rickard, et al.
Published: (2025)

Learning to Collaborate: An Orchestrated-Decentralized Framework for Peer-to-Peer LLM Federation
by: Singh, Inderjeet, et al.
Published: (2026)

Bankrupting DoS Attackers
by: Chakraborty, Trisha, et al.
Published: (2022)

Nearly-Optimal Consensus Tolerating Adaptive Omissions: Why is a Lot of Randomness Needed?
by: Hajiaghayi, Mohammad T., et al.
Published: (2024)

2G2T: Constant-Size, Statistically Sound MSM Outsourcing
by: Khabbazian, Majid
Published: (2026)

MVP-ORAM: a Wait-free Concurrent ORAM for Confidential BFT Storage
by: Vassantlal, Robin, et al.
Published: (2025)

Scalable contribution bounding to achieve privacy
by: Cohen-Addad, Vincent, et al.
Published: (2025)

Constant Degree Networks for Almost-Everywhere Reliable Transmission
by: Bafna, Mitali, et al.
Published: (2024)

Pure Data Spaces
by: Youssef, Saul
Published: (2025)

VehiclePassport: A GAIA-X-Aligned, Blockchain-Anchored Privacy-Preserving, Zero-Knowledge Digital Passport for Smart Vehicles
by: Kaushal, Pradyumna
Published: (2025)

Proof of Useful Attestation: A Consensus Primitive for Attestation-Native Chains
by: Stefanović, Stefan
Published: (2026)

From Consensus to Chaos: A Vulnerability Assessment of the RAFT Algorithm
by: Afifi, Tamer, et al.
Published: (2026)

A Survey of Unikernel Security: Insights and Trends from a Quantitative Analysis
by: Wollman, Alex, et al.
Published: (2024)

The World's Fastest Matching Engine Algorithm
by: Yoon, Jake
Published: (2026)

Mathematical Foundations for Peer-to-Peer Lattice Computation
by: Gorinevski, Danil
Published: (2026)

A Tight Meta-theorem for LOCAL Certification of MSO$_2$ Properties within Bounded Treewidth Graphs
by: Cook, Linda, et al.
Published: (2025)

PoSME: Proof of Sequential Memory Execution via Latency-Bound Pointer Chasing with Causal Hash Binding
by: Condrey, David L.
Published: (2026)

Faster CONGEST Approximation Algorithms for Maximum Weighted Independent Set in Sparse Graphs
by: Faour, Salwa, et al.
Published: (2025)

Decentralized Distributed Graph Coloring: Cluster Graphs
by: Flin, Maxime, et al.
Published: (2024)

Deterministic Fault-Tolerant Local Load Balancing and its Applications against Adaptive Adversaries
by: Kowalski, Dariusz R., et al.
Published: (2025)

High-Quality Multi-Constraint Hypergraph Partitioning via Greedy Rebalancing
by: Maas, Nikolai
Published: (2026)

Low-Depth Spatial Tree Algorithms
by: Baumann, Yves, et al.
Published: (2024)

RadiK: Scalable and Optimized GPU-Parallel Radix Top-K Selection
by: Li, Yifei, et al.
Published: (2025)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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