The proof system for modern companies

Secure your sensitive data flows by creating Bitcoin-based proofs of existence, electronic signatures and seals.
Woleet - Digital Signature - Digital Seal - Digital Timestamp
Securing data for leading companies worldwide

Democratizing access to Digital Truth

Verifiable globally. Forever.

Electronic Seals

Bitcoin seals combine a digital signature, a proven link to a given corporate identity, and an immutable timestamp.
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Electronic Signature

Track consents in your business workflows by generating legally binding signature evidences while preserving confidentiality.
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Time Stamping

Generate proofs of existence for entire digital flows without exposing the data outside your infrastructure.
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Request signature for any type of file, whatever its size without uploading it and putting your privacy at risk

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Delivering concrete innovation to businesses


Protect your customers

Retail is turning fully digital and customers need to stay protected against theft and forgery. With Woleet you can protect your client base with unbreakable digital seals
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Think in the long run

Big corporations with complex IT legacy need to think in the long run. Woleet ensures the use of the most durable and resilient way to endeavor this trustless paradigm shift
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Stay ahead of your time

Disruptive startups with fast growth can rely on Woleet to enhance their value proposition. They leverage our API to imagine new ways to acquire more customers without worrying about scalability .

Secure. Reliable. Scalable.


Our platform is compliant with GDPR and preserve all your data on your side. The proofs we generate are based on Bitcoin, not blockchain.


We can provide up to 99.995% SLA with à 500x rebate policy for enterprise clients needing high availability guarantees.



Our APIs can support up to 1000 calls per second per IP, which is unprecedented for a public blockchain-based service.

Powerful API

Build your own proof system, our APIs are very simple to use, easy to integrate with legacy systems, and highly scalable.


You can imagine infinite possibilities of integration within your applications and test it with no limitations in our sandbox environment.

API Documentation
// Timestamping Creation

curl --request POST \ 
--url \ 
--header 'accept: application/json' \ 
--header'authorization: Basic <my realm>' \ 
--header 'content-type: application/json' \ 
--data '{"name":"anchor-name","hash":"eca13c985af0215408e9e3e7b6bdc0e029db8857b7bedb4c0f2098b88ebe614f"}'
// Timestamping Creation

var data = "{\"name\":\"anchor-name\",\"hash\":\"eca13c985af0215408e9e3e7b6bdc0e029db8857b7bedb4c0f2098b88ebe614f\"}";

var xhr = new XMLHttpRequest();

xhr.addEventListener("readystatechange", function () {
  if (this.readyState === this.DONE) {
});"POST", "");
xhr.setRequestHeader("accept", "application/json");
xhr.setRequestHeader("content-type", "application/json");
xhr.setRequestHeader("authorization", "token");

// Timestamping Creation

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/octet-stream");
RequestBody body = RequestBody.create(mediaType, "{\"name\":\"anchor-name\",\"hash\":\"eca13c985af0215408e9e3e7b6bdc0e029db8857b7bedb4c0f2098b88ebe614f\"}");
Request request = new Request.Builder()
  .addHeader("accept", "application/json")
  .addHeader("content-type", "application/json")
  .addHeader("authorization", "token")

Response response = client.newCall(request).execute();
// Timestamping Creation

import requests

url = ""

payload = "{\"name\":\"anchor-name\",\"hash\":\"eca13c985af0215408e9e3e7b6bdc0e029db8857b7bedb4c0f2098b88ebe614f\"}"
headers = {
    'accept': "application/json",
    'content-type': "application/json",
    'authorization': "token"

response = requests.request("POST", url, data=payload, headers=headers)

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