7Block Labs

by Jay

2025-09-15

11 min read

Wallets After Pectra: A Migration Plan from ERC-4337 Tooling to EIP-7702

> Description: Pectra put EIP-7702 on mainnet, giving EOAs a standards-based path to smart-account behavior without abandoning ERC-4337. This playbook shows decision-makers how to phase in 7702 safely, reuse 4337 infra, and ship measurable

by Jay

2025-09-14

10 min read

Choosing Between zkEVM and zkVM in Late 2025: A Practical Decision Tree

7Block Labs helps startups and enterprises ship verifiable compute. This 2025 playbook shows exactly when to pick an EVM-centric zkEVM versus a general-purpose zkVM, with a concrete decision tree, current performance/cost numbers, and imple

by Jay

2025-09-14

12 min read

Any Best Practices for Future-Proofing a Rollup So It Can Handle Growing Proof Throughput Without Re-Architecting?

> Summary: The fastest way to paint yourself into a corner with a rollup is to hard‑wire today’s prover, DA, and sequencer assumptions. This guide distills concrete 2025-era practices—backed by current Ethereum upgrades, L2 proof/DA markets

by Jay

2025-09-14

10 min read

hybrid blockchain developer Toolkit: Event Bridges Between SAP, Kafka, and L2s

Summary: This hands-on guide shows decision‑makers and engineering leads how to wire SAP business events into Apache Kafka and on to Ethereum Layer‑2 networks with production‑grade reliability, security, and observability. You’ll get concre

by Jay

2025-09-14

12 min read

Hierarchical Multisig for Treasury and Governance: Design Patterns

Short description: A practical playbook for decision‑makers to design hierarchical multisig systems that scale from small product teams to global DAOs—covering Safe modules, Zodiac roles, cross‑chain execution, timelocks, passkeys, Bitcoin

by Jay

2025-09-13

10 min read

Blob-First Rollups: Re-architecting Data Availability After EIP-7691

> Summary: Ethereum’s May 7, 2025 Pectra upgrade implemented EIP-7691, doubling blob capacity and reshaping the economics of Layer 2 data availability. This post translates the change into concrete architecture, pricing math, and rollout pl

by Jay

2025-09-13

11 min read

Permission-Based Blockchain Consultants: Governance, Access Control, and Security

Decision-makers at startups and enterprises are increasingly choosing permissioned (aka permission-based) blockchains for sensitive workflows, but most failures trace back to unclear governance, weak access control, or avoidable security ga

by Jay

2025-09-12

10 min read

web3 contract development service Pricing Models: Fixed Bid, T&M, and Milestone Audits

> Summary: Fixed-bid, T&M, and milestone-based audits are three viable ways to price web3 contract development—each optimized for a specific risk profile, scope certainty, and speed. This guide shows how decision‑makers can pick the right m

by Jay

2025-09-12

14 min read

Forecasting Validator Incentive Costs for a Two-Year P&L

> Summary: This expert guide shows startup and enterprise leaders exactly how to forecast validator incentive costs over a two‑year horizon, with chain‑specific formulas, live parameter references, and worked examples for Cosmos‑SDK appchai

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.

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