by Jay
2025-11-26
11 min read
EIP-7691 Cost Curves: Modeling Blob Fee Volatility for App Teams
> Summary: EIP-7691 doubled Ethereum’s target blob capacity and retuned the fee update curve, changing how blob base fees rise and fall block-to-block. This guide shows decision‑makers how to model the new cost dynamics, quantify volatility
by Jay
2025-11-26
11 min read
blockchain healthcare app development: Mobile Key Management for Non-Crypto Users
Healthcare-grade mobile key management without seed phrases is finally practical. This guide shows how to ship it in 2025: hardware‑backed keys and passkeys, app/device attestation, account abstraction (smart accounts), MPC/TSS recovery, an
by Jay
2025-11-25
12 min read
Putting It Together: A 2025 Reference Stack (EIP-7702 + Intents + x402 + Private Proving)
Short summary: A concrete, production‑ready stack for 2025 that pairs EIP‑7702 smart EOAs, ERC‑7683 intents/OIF, HTTP‑402 payments (x402), and private proving—complete with architectures, code patterns, and rollout playbooks for startups an
by Jay
2025-11-23
10 min read
enterprise blockchain consultant: Delivering an Executive-Ready Architecture Review
> Summary: Decision-makers need blockchain guidance grounded in 2025 realities, not 2018 slideware. This executive-ready guide shows how 7Block Labs delivers an architecture review that turns today’s standards (Dencun/EIP‑4844, OP Stack int
by Jay
2025-11-23
12 min read
Stablecoin Payment Rails for AI Agents: Bridging x402 and Chain Abstraction
--- description: Stablecoin-native HTTP payments are becoming agent-native. This post explains how to wire x402 into your API, make AI agents pay per call in USDC, and hide multi-chain complexity with chain abstraction that spans Base, Sola
by Jay
2025-11-22
11 min read
enterprise blockchain consulting: Building a Two-Year Roadmap with KPIs and Guardrails
Decision-makers’ guide to standing up an enterprise-grade blockchain program in 24 months—complete with outcome-driven KPIs, regulatory guardrails, and technical milestones that reflect 2024–2025 realities.
by Jay
2025-11-22
12 min read
Onchain Billing for Staking APIs: Lessons from 2025’s Developer Platforms
Short summary: In 2025, staking APIs finally moved billing onchain. This post distills what actually shipped (and worked) across Coinbase, Figment, Kiln and the EigenLayer ecosystem—plus concrete integration patterns, code-level examples, a
by Jay
2025-11-22
12 min read
Wallet Policy Engines in 2025: Rules, Allowlists, and Smart-Account Governance
Summary: In 2025, wallet policy engines matured from “nice-to-have” approval layers into core risk infrastructure that sits across EOAs, smart accounts, and MPC custody. This guide explains exactly what to implement—on-chain modules, off-ch
by Jay
2025-11-21
11 min read
blockchain protocol security audit: Red-Teaming Bridges, Relayers, and Light Clients
Description: A hands-on, 2025-ready playbook for decision‑makers on how to red‑team cross‑chain bridges, relayers, and light clients—using real incident patterns, emerging standards like ERC‑7683, Ethereum sync‑committee light clients, IBC
