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⚡ Interactive Security Demos (Testnet)

View how we validate proofs, oracle feeds, collateralization rules and cross-chain state integrity — in production-grade testnets.

Open the thumbnails to launch GIF modals that mirror the same Solana, Sepolia and IPFS explorers we watch during readiness reviews.

GIFs stay paused until hover or modal open · mobile safe

Solana zk bridge demo validating replay-safe proofs in the testnet explorer

Replay attacks + cross-chain state integrity

Solana zk bridge replay hardening

Live zk proof attestation run showing how we gate relayers, enforce guardian quorums and block replay windows before mainnet.

Solana testnet
zk bridge
Guardian quorum
45s proof window
Dual attestor quorum live
View Solana testnet
EVM Sepolia security demo catching oracle manipulation on-chain

Oracle manipulation + double withdrawals

EVM Sepolia oracle failover drill

Collateralized debt position replay with forced oracle deviation to prove double-withdrawal and oracle manipulation defenses hold.

Sepolia
CDP monitoring
Circuit breakers
3 feeds cross-checked
Auto pause < 400ms
View EVM Sepolia
IPFS tree traversal demo validating DAO vote integrity

Anonymous vote fraud + oracle proofs

IPFS vote ledger integrity sweep

Anonymous vote audit trail pushed through IPFS Merkle proofs to surface tampering, replay signatures and fraud attempts.

IPFS
Merkle proofs
DAO governance
Tree depth: 42
0 mismatched hashes
View IPFS tree
Arbitrum sequencer monitoring dashboard with failover alerts

Sequencer uptime + force inclusion paths

Arbitrum sequencer failover test

Sequencer liveness probe simulating downtime scenarios to validate L2-to-L1 force-inclusion paths and delayed inbox processing.

Arbitrum
Sequencer
L2 rollup
Failover < 12s
Force-include tested
View Arbitrum Sepolia
StarkNet fuzzing results showing edge case coverage

Cairo edge cases + arithmetic safety

StarkNet Cairo contract fuzzing

Automated fuzzing campaign targeting Cairo smart contracts for arithmetic overflows, reentrancy patterns and felt252 edge cases.

StarkNet
Cairo
Fuzzing
12k iterations
3 edge cases caught
View StarkNet Sepolia
Optimism bridge invariant monitoring with proof validation

Bridge invariants + withdrawal proofs

Optimism bridge invariant checks

Cross-domain messenger validation ensuring L1-L2 message integrity, withdrawal proof verification and challenge period enforcement.

Optimism
Bridge security
Invariants
7-day challenge
100% proof coverage
View OP Sepolia
Polygon checkpoint validation with signature verification

Checkpoint finality + validator consensus

Polygon PoS checkpoint validation

Heimdall checkpoint submission monitoring with validator signature aggregation and Bor block finality verification.

Polygon
PoS
Checkpoints
256 block epochs
2/3+ signatures
View Polygon Amoy
Avalanche subnet security dashboard with warp message traces

Subnet isolation + warp messages

Avalanche subnet security audit

Custom subnet validator set rotation testing with warp message verification and cross-subnet communication security.

Avalanche
Subnets
Warp
4 validators rotated
0 invalid warps
View Fuji testnet
Resource
Technical deep-dive

Technical FAQs on Security, Scalability & L1/L2 Choices

The questions every protocol team asks before mainnet — answered by engineers who've shipped 40+ launches. Security tradeoffs, scalability patterns, and L1 vs L2 architecture decisions distilled into actionable guidance.

Reference this during architecture reviews and technical planning sessions.

  • Covers security, scalability and L1/L2 architecture
  • Based on real questions from protocol teams
  • Practical guidance for mainnet decisions
Follow the signal

Read one beat at a time

We collapsed the sales pitch into four beats so your eye only has to make one decision at each scroll stop.

11 of 4

Get clarity on the security questions that block launches

Teams waste weeks debating security architecture in circles. This FAQ gives you the answers we've refined across dozens of production deployments so you can move forward with confidence.

Security decisions backed by real incident data.

22 of 4

Understand scalability tradeoffs without the hype

Every chain claims infinite TPS. This guide cuts through marketing to explain the actual tradeoffs between throughput, decentralization, and security that matter for your use case.

33 of 4

Make L1/L2 architecture decisions with confidence

Rollups, validiums, appchains, sidechains — the options are overwhelming. Get a clear framework for evaluating which architecture fits your protocol's requirements.

44 of 4

Drop your email, get the technical FAQ guide in minutes

We'll send the PDF directly to your inbox. If you have questions beyond what's covered, reply and we'll hop on a call.

Takes <2 minutes. Immediate delivery.

Send me the guide
What is inside

Core checkpoints

Security architecture FAQs

Common security questions about key management, access control, upgrade mechanisms, and threat modeling.

Scalability tradeoffs

Guidance on throughput vs decentralization, state management, and performance optimization patterns.

L1 vs L2 decision framework

When to build on L1, when to go L2, and how to evaluate rollup vs sidechain vs appchain options.

Cross-chain considerations

Bridge security, message passing, and multi-chain architecture patterns explained.

Production readiness checks

Technical criteria for determining when your protocol is ready for mainnet deployment.

Who it is for

Built for technical decision makers

Whether you're architecting a new protocol, evaluating chain options, or preparing for a technical due diligence call, this FAQ provides the answers you need.

Use during architecture planning, technical reviews, and investor due diligence preparation.

  • CTOs & technical founders
  • Protocol architects
  • Security engineers
Security coverage

Security questions answered

The security architecture questions that come up in every technical review, with battle-tested answers.

Key management & custody

Multi-sig configurations, HSM requirements, and key rotation best practices.

Upgrade mechanisms

Proxy patterns, timelocks, guardians, and emergency pause capabilities.

Access control patterns

Role-based permissions, admin key security, and privilege escalation prevention.

Threat modeling approaches

How to identify attack surfaces and prioritize security investments.

Architecture guidance

L1/L2 architecture questions answered

The chain and layer decisions that determine your protocol's future, explained clearly.

L1 vs L2 decision criteria

When native security matters vs when execution cost drives the decision.

Rollup options compared

Optimistic vs ZK rollups, data availability choices, and settlement guarantees.

Appchain considerations

When to build your own chain vs deploy on existing infrastructure.

Cross-chain architecture

Bridge design, message verification, and multi-chain state synchronization.

Why trust it
  • Answers refined across 40+ protocol launches
  • Security-first engineering team perspective
  • Battle-tested across DeFi, L2s, and infrastructure
Skip the FAQ and talk to a security engineer
7BlockLabs

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

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