by Jay
2025-09-15
12 min read
blockchain development services for healthcare Data Residency: Designing Multi-Region Nodes
> Summary: Healthcare blockchains can meet strict data residency obligations without sacrificing performance—if you design nodes, keys, storage, and governance for multi‑region reality. This guide shows exactly how to architect regionalized
by Jay
2025-09-15
10 min read
Rollups vs Sidechains Throughput Cost Comparison for High-Volume Apps
A practical, number-driven guide to choosing between rollups and sidechains for apps pushing millions of transactions. We benchmark throughput ceilings, fee components, and real per‑million‑tx costs post‑EIP‑4844, and show how DA choices (E
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
