StarkEx

StarkEx

StarkWare
FXProof StarkEx

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FXProof:

About

FXProof is a B2B SaaS for creating signed, verifiable proof documents for official exchange rates. Each reusable proof bundle preserves the selected official source, rate date, dataset details, document ID, payload hash, signature status, and public verification data. It helps accounting and finance teams, bookkeeping and tax practices, auditors, compliance teams, small businesses, freelancers, and software providers document the exchange rate used for invoices, expenses, accounting entries, tax files, internal controls, audits, and dispute reviews. Supported sources include the European Central Bank, HMRC, the Federal Reserve, the Bank of Canada, and the National Bank of Kazakhstan. Users can view proof samples, verify an existing document without an account, retrieve ready proof bundles in the web application, and automate the same workflow through the API. FXProof is not a currency exchange, trading platform, or provider of investment, legal, accounting, or tax advice.
StarkEx:

About

StarkEx generates validity proofs, to ensure that only valid data resulting from computations performed with integrity, is committed on-chain. The secret to StarkEx’s massive scaling capabilities lies in the uneven division of computation between its off-chain prover and the on-chain verifier. StarkEx powers self-custodial dApps, and employs innovative anti-censorship mechanisms to ensure that users’ funds always remain in their custody. StarkEx has been developed to serve a diverse range of user and application needs. Applications that wish to integrate with StarkEx can arrive on Mainnet within a few weeks time, depending on the maturity of their off-chain Operator node. With validity proofs, state updates are considered finalized as soon as they are verified on-chain. This can be a matter of hours, as compared to fraud proofs that can be finalized only after the dispute period.
FXProof:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
StarkEx:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
FXProof:

Audience

Accounting and finance teams, bookkeeping and tax practices, auditors, compliance and internal-control teams, small businesses, freelancers, consultants, and fintech or accounting software providers that need to document and later verify the official exchange rate used in a business record.
StarkEx:

Audience

Blockchain developers interested in a Layer 2 scaling solution
FXProof:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
StarkEx:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
FXProof:

API

Offers API Supported
StarkEx:

API

Offers API Not Supported
FXProof:

Screenshots and Videos

StarkEx:

Screenshots and Videos

FXProof:

Pricing

Free; From €59/month
Free Basic plan includes up to 1,500 API requests and 5 proof bundles per month, with access to one year of historical data.

Paid plans start at €59 per month. Higher-volume plans provide increased API and proof limits, higher request capacity, and access to a deeper historical archive.

Monthly and annual billing options are available. Searching for a proof, reusing an existing proof bundle, and downloading it again do not consume an additional proof allowance.
Free Version Supported
Free Trial Not Supported
StarkEx:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
FXProof:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
StarkEx:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
FXProof:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
StarkEx:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
FXProof:

Company Information

FXProof
Founded: 2025
Kazakhstan
fxproof.org
StarkEx:

Company Information

StarkWare
Founded: 2018
Israel
starkware.co/starkex/
FXProof:

Alternatives

StarkEx:

Alternatives

Starknet

Starknet

StarkWare
FXProof:
StarkEx:
FXProof:
StarkEx:
FXProof:
Airtm

Airtm

1.7 out of 5 stars
StarkEx:
FXProof:
StarkEx:
FXProof:

Categories

Compliance Supported
StarkEx:

Categories

Blockchain Supported
Layer 2 Protocols Supported
FXProof:

Compliance Features

Archiving & Retention Supported
Artificial Intelligence (AI) Not Supported
Audit Management Not Supported
Compliance Tracking Not Supported
Controls Testing Not Supported
Environmental Compliance Not Supported
FDA Compliance Not Supported
HIPAA Compliance Not Supported
Incident Management Not Supported
ISO Compliance Not Supported
OSHA Compliance Not Supported
Risk Management Not Supported
Sarbanes-Oxley Compliance Not Supported
Surveys & Feedback Not Supported
Version Control Not Supported
Workflow / Process Automation Supported
FXProof:

Integrations

Aboard Exchange Not Supported
Dfns Not Supported
Ethereum Not Supported
Nostra Finance Not Supported
Starknet Not Supported
nxyz Not Supported
StarkEx:

Integrations

Aboard Exchange Supported
Dfns Supported
Ethereum Supported
Nostra Finance Supported
Starknet Supported
nxyz Supported
FXProof:
Claim FXProof and update features and information
Claim FXProof and update features and information
StarkEx:
Claim StarkEx and update features and information
Claim StarkEx and update features and information