btcproof.info

What it is

Woleet Proof Verifier is a tool for verifying file timestamps and signatures. According to the page description, it can check whether a file has been anchored to the Bitcoin blockchain via the Woleet platform or any Chainpoint-compatible tool, and return a timestamp proving the file’s existence. It also supports verifying the existence, validity, and timestamp of file signatures, and can perform identity verification if signer identity information is provided.

Core capabilities and ecosystem

Its core capability is focused on “verification” rather than “creating proofs.” If a file was publicly notarized through the Woleet platform, users do not need to manually provide a proof receipt during verification; the system retrieves it from Woleet in real time. Otherwise, users must provide a Chainpoint-format proof receipt. This shows compatibility with the Chainpoint ecosystem and the ability to verify proofs anchored to the Bitcoin blockchain by other Chainpoint-compatible tools. For signature scenarios, it supports Woleet’s signature anchoring extension for Chainpoint, making it suitable for electronic signatures, audit evidence, and tamper-resistance checks for documents.

Pricing, deployment, and documentation

The captured text does not disclose the pricing model, payment methods, API/SDK availability, supported languages or development frameworks, nor does it clearly state whether the tool is open source. The page mentions “Build your own verification page,” suggesting that custom verification pages can be created, but this is not enough to determine whether full self-hosting is supported. In terms of documentation, the available text explains the basic usage flow and proof receipt requirements, but lacks developer-oriented details such as integration guides, API examples, error codes, and deployment instructions.

Pros, cons, and who it is for

Its advantages include Bitcoin blockchain anchoring, which gives the verification logic strong tamper-resistant properties; Chainpoint-format compatibility, which reduces platform lock-in; and automatic receipt retrieval for public Woleet proofs, lowering the barrier to use. The downside is limited information disclosure, especially around pricing, service support, APIs, deployment, and enterprise integration capabilities. It is better suited to teams that need to verify digital file proofs, signature validity, and compliance audit records, rather than users looking for a full development platform or a general-purpose e-signature system.

China access and alternatives

The page text does not provide information about access from mainland China, network stability, or payment options, so China accessibility can only be marked as unknown. If using it from within China, you should first test domain reachability and whether the relevant blockchain proof data can be accessed. Alternatives worth considering include OpenTimestamps, OriginStamp, Blockcerts, and other Chainpoint-compatible tools.