Simple, yet powerful

Inkblok was designed to make the complex process of signing, securing and proving the existence of your work simple and fast. The blockchain is a powerful but complex technology that we’ve harnessed through an easy-to-use website, without compromising its rich capabilities and features.
Blockchain technology provides document authenticity, ownership, immutability, and tamper-proofness to the data recorded in it.

Blockchain-based timestamping

Publicly verifiable: anyone can access the public blockchain at any time to check the existence of the signed document and verify whether the document was signed at the given time.

Features

For everyone

Whether you’re a sole creator or work for a large company, Inkblok offers flexible plans that will meet your needs. Only want to submit once? No problem. Need a white label, integrated, multi-user solution? We offer that as well!

For any type of work

Any size or format is acceptable, so long as its digital. The signing process can accommodate single or multiple creators and signatories. Work in progress can be re-submitted as it evolves to strengthen proof of ownership.

Simple and fast

Secure and sign your work in one click. No downloads, code or manuals to deal with. Inkblok is accessible from any connected device, so you can sign your work as you create it. Payments are in US dollars so you don't have to worry about cryptocurrencies or wallets.

Secure

We never upload or store your work, it stays private and on your device. The signature representing your work is published on the blockchain, and is dated, immutable and incorruptible. Your signature cannot be used to derive the content of your file.

Private

Your name and the name of your co-creators can be included with the signature and made public on the blockchain, or embedded in the file itself to remain private, yet still verifiable by you and others that have access to the original file.

Verifiable

Once a signature has been published on the blockchain, you and others you allow can verify the associated file's authenticity and integrity. If the file has been altered since it was signed, the fingerprint of its signature will not match the blockchain record.

Transferable

Selling, licensing or transferring your work is easy with Inkblok. Simply submit the file you want to transfer ownership of, along with a note stating the details of the transfer to create a permanent record of it on the blockchain. Only the owner of the file can initiate a transfer.

NFT flexible

Use Inkblok to create a Non-Fungible Token (NFT), without the hassle of having to subscribe to and be stuck with a platform, pay extra fees for features you don't need and have to do all the work yourself anyways. With Inkblok, create your NFT free of any roadblocks.

Proof of existence (PoE)

Proof of existence, integrity, and ownership with Ethereum smart contract. Our Solidity smart contract proves file ownership without revealing the actual file content. It can prove that the file existed at a particular date and time and finally check for document integrity.


Get started

We do the work so you can focus on yours

In one click, Inkblok allows you to sign and secure your digital work of any size and format. By publishing that unique signature on the blockchain, a publicly owned, global, decentralized ledger, Inkblok creates an immutable, incorruptible and verifiable public record of your work, all while never uploading your actual file, which always remains private and on your device.

How it works

1

Choose your file

Choose the digital file containing the work you want to sign and secure. Any size and format can be accommodated. Your file is never uploaded and your work remains private and on your device.

2

Create signature

In one click, a unique cryptographic signature of your work is created and published to the blockchain. Your public signature cannot be used to derive your work. Multiple authors can be included and can be shown or hidden from public.

3

Pay and confirm

Pay and confirm your identity to publish your signature on the blockchain. The entire content of your file is authenticated forever, and an email certificate containing all the relevant information is issued to you for your records.

4

Keep on working!

Iterate, refine, share, sell or license your work knowing it's protected. Re-submit work that’s evolved to create a history of it. Think of each new version submitted as an unbreakable link in the blockchain. Repeat the process as needed.

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Pricing

TRY IT

FREE

1 signature

Email certificate

Access to Inkblok verification engine

Link to Eth test net for verification

Ethereum Ropsten testnet


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SINGLE USE

$1.99 (limited offer)

1 signature

Email certificate

Access to Inkblok verification engine

Link to blockchain site for verification

Binance Smart Chain (mainnet)


Get started

Sign and secure your work

Inkblok allows you to generate a digital signature for a file and posts that signature on the blockchain, providing Proof of Existence (PoE). We are not responsible for file content and ownership.

Digitally sign any electronic document and later verify it's authenticity and integrity

By clicking below to continue, you're agreeing to our terms of service


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