Onchain Infra · Scaling & Interop · 08 / 22
Privacy
Confidential, but verifiable
Public ledgers expose every balance. Privacy tech hides amounts and parties while still proving the rules were followed, with disclosure to auditors.
Where it connects
How It Works
- 01ShieldMove funds into a private pool or ledger.
- 02TransactTransfers are hidden; proofs show they're valid.
- 03DiscloseView keys reveal activity to chosen parties.
Designs
01
Zero-knowledge pools
Shielded notes proven with ZK.
02
Confidential tokens
Encrypted amounts on a public chain.
03
Permissioned ledgers
Private chains that settle publicly.
Who Builds It
Across ecosystems, not one chain.
ZcZcashL1Shielded transactions since 2016
AzAztecEthereum L2Private smart contracts
RaRailgunEVMShielded pool for DeFi
CoConfidential transfersSolanaToken-2022 extension
CaCantonInstitutionsPrivacy-preserving shared ledger
TeTempo ZonesTempoPrivate ledgers, public settlement
What to Compare
01
What's hidden: amounts, parties, both
02
Who can see: auditor, regulator
03
Composability with public DeFi
On Tempo
On Tempo · In the protocol
Zones keep balances and activity private inside an operator-run ledger, with selective disclosure and settlement on Tempo.
Private
Balances & activity
Selective
Disclosure
Preview
Status
Tempo · public
SettlementZonePortalDeposit $1,000,000 · publicBatch #812 settled
Zone · private ledger
Public viewWho got paid stays private
Account ••••$2,410.00
Account ••••$1,180.50
Account ••••$3,925.10
Account ••••$860.00
Limited preview · operator-run · gas in stablecoins
Private ledger
Operator-run zone holds confidential balances
Portal bridging
Deposit and withdraw against Tempo atomically
Batch settlement
Sequencer-signed checkpoints posted to Tempo
Zone gas
Same stablecoin-fee UX inside the zone
Deel
Coastal Bank
Howard Hughes
OnePay