7Block Labs

by Jay

2025-09-29

12 min read

blockchain intelligence for web3: Entity Resolution for Wallet Clusters and Exchanges

Short description: How leading Web3 teams reliably map pseudonymous addresses to real entities today. We go deep on practical heuristics for UTXO and account-based chains, PoR-backed exchange labeling, 4337/AA impacts, cross‑chain bridges,

by Jay

2025-09-29

11 min read

web3 blockchain intelligence Dashboards: Alerts for Drains, Sandwiching, and Oracle Anomalies

A practical, 2025-ready guide for building on-chain security dashboards that actually stop losses: how to detect wallet drainers (incl. EIP‑7702 flows), flag MEV sandwiching in real time, and catch oracle anomalies before they cascade into

by Jay

2025-09-27

11 min read

What’s the Cleanest Design Pattern for a Rollup That Can Swap Proof Formats Later Without Redeploying Everything?

A concise design is to decouple “state transition” from “proof verification” on L1: keep your rollup’s core bridge contract immutable, and route proofs through a minimal Verifier Proxy that dispatches to pluggable Verifier Adapters. This le

by Jay

2025-09-27

11 min read

Verifiable Data Indicative Data: Using Oracles Without Leaking Alpha

Startups and enterprises can use oracles without giving away trading edge or sensitive business signals by combining verifiable data flows (ZK/TEE attestations, verifiable compute) with “indicative” disclosure (confidence bands, bucketing,

by Jay

2025-09-27

11 min read

Verifiable Data Surveillance Data: Privacy-Aware Architectures

Short description: Decision-focused playbook for building provable, privacy-preserving surveillance data pipelines using today’s standards: in-device authenticity, remote attestation, selective-disclosure credentials, transparent logs, and

by Jay

2025-09-27

13 min read

Slippage, Oracles, and Solvers: Risk Controls for Intent-Based DEXs

> Summary: Intent-based DEXs replace “routes” with “outcomes,” but that power comes with new risk surfaces. This guide distills concrete, up-to-date controls around slippage, oracle design, and solver operations you can implement now to shi

by Jay

2025-09-26

11 min read

Invisible Bridging Isn’t Free: Observability for Chain-Abstraction Backends

Chain abstraction promises “one‑click” UX across chains, but it shifts cost and risk into your backend. This post maps the hidden failure modes and the concrete telemetry you need so your “invisible” bridging stays reliable, auditable, and

by Jay

2025-09-26

11 min read

Intent Routing 101: Building a Solver That Finds the Best Path (Not the Worst One)

> Summary: Intents shift onchain UX from “how to execute” to “what outcome I want.” This post shows decision‑makers how to design a production‑grade intent solver that consistently finds the best route across chains, markets, and builders—u

by Jay

2025-09-26

5 min read

Operational Playbook for Web3 Post-Launch

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7BlockLabs

Full-stack blockchain product studio: DeFi, dApps, audits, integrations.

7Block Labs is a trading name of JAYANTH TECHNOLOGIES LIMITED.

Registered in England and Wales (Company No. 16589283).

Registered Office address: Office 13536, 182-184 High Street North, East Ham, London, E6 2JA.

© 2025 7BlockLabs. All rights reserved.