Blockchain Engineering Decision Guides
Neutral, engineer-written comparisons of the tools and protocols behind real blockchain products, cross-chain messaging, indexing, rollup stacks, custody, and more, with clear guidance on which to choose.
8
decisions covered
29
tools and standards compared
45
questions answered
116
primary sources cited
Decision
Compares
Options
Updated
Blockchain indexer
Subgraph, streaming engine, or your own indexer?
The Graph · Goldsky · Envio (HyperIndex) · Ponder
Options: 4
July 2026
→
Rollup framework
Optimistic or ZK, and whose stack?
OP Stack · Arbitrum (Orbit) · Polygon CDK · ZK Stack (ZKsync)
Options: 4
July 2026
→
Crypto custody model
Self-custody, MPC, or a chartered custodian?
Safe (multisig) · Fireblocks (MPC) · Qualified custodian
Options: 3
July 2026
→
Cross-chain protocol
Which messaging layer, and whose security model?
Chainlink CCIP · LayerZero v2 · Wormhole · Axelar (Mobius) · Hyperlane
Options: 5
July 2026
→
RWA token standard
What carries the compliance rules, the token or the paperwork?
ERC-3643 (T-REX) · ERC-1400 · Permissioned ERC-20
Options: 3
July 2026
→
Stablecoin model
What backs the dollar you issue?
Fiat-backed · Crypto-backed (CDP) · Algorithmic · Synthetic (delta-neutral)
Options: 4
July 2026
→
Restaking layer
Whose economic security do you rent?
EigenLayer (EigenCloud) · Symbiotic · Babylon
Options: 3
July 2026
→
On-chain dollar
A dollar that spends, or a dollar that earns?
Fiat stablecoins · Tokenized treasuries & MMFs · DeFi yield-bearing dollars
Options: 3
July 2026
→