Selected blockchain deployments

Three production systems with the challenge, approach, technology and outcome stated plainly — each with architecture notes your engineers can learn from.

Male programmer concentrating on coding at a computer in a contemporary office setting.

Retail · Polygon

Tokenized Loyalty Platform

Challenge: Checkout-speed loyalty without seed-phrase friction.
Approach: Gasless issuance with embedded wallets.
Technology: Polygon · Privy · The Graph
Outcome: 1.2M wallets · 99.98% issuance success.

Detailed view of server racks with glowing lights in a data center environment.

Institutions · Ethereum

Institutional Digital Asset Infrastructure

Challenge: Custody rails that satisfy risk and audit.
Approach: UUPS vaults with enforced signing policy.
Technology: Ethereum · Fireblocks · Alchemy
Outcome: Daily reconciled NAV, zero missed webhooks.

A female software engineer coding on dual monitors and a laptop in an office setting.

DeFi · Multi-chain

Multi-chain DeFi Analytics Platform

Challenge: One portfolio view across three chains.
Approach: Unified subgraphs with oracle pricing bands.
Technology: Arbitrum · Base · Chainlink
Outcome: 1.8s loads · 41% fewer tickets.

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