Technical guides for the execution layer.
Ten original, long-form articles on VM architecture, EVM internals, WebAssembly, zero-knowledge execution, rollup pipelines, security, and developer workflow.

Parallel Blockchain Execution: Scheduling Transactions Without Breaking Determinism
Learn how declared access lists, optimistic concurrency, conflict detection, state partitioning, and deterministic commit order can increase blockchain execution throughput.
Read the guide
How to Review Blockchain VM Security: Boundaries, Traces and Failure Modes
Review blockchain VM security across bytecode validation, host functions, metering, state journaling, calls, upgrades, client diversity, tracing, and operational controls.
Read the guide
Smart Contract Upgrade Patterns: Proxies, Storage Layout and Governance
Understand proxy upgrades, delegate-call context, implementation slots, initializers, storage compatibility, admin boundaries, timelocks, and rollback planning.
Read the guide
Building a Local EVM Development Stack: Compile, Test, Trace and Fork
Create a reproducible EVM workflow with pinned compilers, local nodes, deterministic accounts, unit and invariant tests, forked state, traces, and deployment checks.
Read the guide
Gas, Bytecode and Determinism: How Blockchain VMs Bound Execution
See how bytecode semantics, gas schedules, memory expansion, storage costs, host functions, and protocol versions keep blockchain execution finite and reproducible.
Read the guide
Rollup Execution Environments: Sequencers, State Roots and Settlement
Map a rollup transaction from sequencing through data publication, deterministic derivation, VM execution, state commitments, fault or validity proofs, and settlement.
Read the guide
zkVMs Explained: Proving Computation Instead of Re-executing It
Learn how zero-knowledge virtual machines turn guest-program execution into proofs, including traces, public and private I/O, receipts, recursion, and performance trade-offs.
Read the guide
EVM vs WebAssembly: Choosing a Smart Contract Runtime
Compare EVM and WebAssembly blockchain runtimes across execution model, language support, metering, host functions, compatibility, determinism, and tooling.
Read the guide
Ethereum Virtual Machine Explained: Stack, Memory, Storage and Gas
Follow an EVM message call through bytecode, the 256-bit stack, temporary memory, persistent storage, gas accounting, nested calls, logs, and reverts.
Read the guide
What Is a Blockchain Virtual Machine? A Practical Architecture Guide
A blockchain virtual machine turns ordered transactions into deterministic state changes. Learn the roles of bytecode, state, host functions, gas, and verification.
Read the guide