Bitcoin Self-Custody

Learn how to create your own non-custodial Bitcoin storage system for true peace of mind 🔐

CREATE A HAVENVAULT SCHEDULE A CONSULTATION

Your Keys, Your Bitcoin

Not Chained to any Bank or Institution

You’re in complete control. We’re here to help!

As your bitcoin holdings rise in value, sovereignty becomes an ever more important security feature. Our platform enhances security through easy-to-use multisignature cold storage while also preserving your control over your assets.

Learn how multi-signature improves your security.

  • Enhanced security with multisig
  • Preserves your sovereignty
  • Easy-to-use interface
  • Trusted partner to facilitate transactions
  • Simple access to loans

Eliminate Single Points of Failure From Your Bitcoin Security

Vault onboarding that caters to your experience, serving individuals, businesses and funds.

Build it Yourself

Coinwell Bitcoin Bitcoin self-custody


Start today with no setup or storage fees

Create an account and complete your profile

Upload public keys from your hardware wallets Create a Vault

Get Help from an Expert

Coinwell Bitcoin Bitcoin self-custody


We’ll send and teach you how to use hardware wallets

We’ll build your vault together and teach you multisig

We’ll deposit $1,000 of bitcoin directly into your control Concierge Onboarding

Powerful Security Through A Simple Process

Coinwell Bitcoin Bitcoin self-custody
Keys

Our platform supports Trezor, Coldcard, and Ledger wallets as signing devices

Users upload extended public keys (xpub) to their account

Everfree never has access to a user’s private keys

If single keys are ever compromised, our platform will facilitate creating new keys and/or transfering funds to a new vault or another safe destination

How Coinwell secures its keys

Coinwell Bitcoin Bitcoin self-custody
Vaults

Users create a vault with uploaded xpub keys to derive a secure 2-of-3 multisig address

Every time a withdrawal or transfer occurs, a new multisig address is derived from the vault keys

Users are provided with the information necessary to move funds outside Everfree’s system as a backup fail safe, including redeem scripts and BIP32 paths

Users can create as many different vaults as they need or would like

Coinwell Bitcoin Bitcoin self-custody
Transactions & Signing

All transactions, including withdrawals and transfers, are on-chain & require cryptographic keys to sign

Only users can initiate transactions. Once initiated, a user will use their own key(s) to sign. If they control 2-of-3 keys, they can sign without any involvement from Everfree.

For certain vault types and thresholds, Everfree will validate the identity & intent of a user prior to cosigning

Once two keys have signed a valid transaction, the user has the responsibility to broadcast

ENHANCE YOUR SECURITY AND UNLOCK THE VALUE OF YOUR BITCOIN

Compatible with the Most-Trusted Hardware Wallets

Choose devices from Trezor, Ledger or Coldcard, and get started with Everfree today!

Coinwell Bitcoin Bitcoin self-custody

Coinwell Bitcoin Bitcoin self-custody

Coinwell Bitcoin Bitcoin self-custody
Travel Easy

Feel more confident when you travel with your hardware wallet, knowing that it’s only 1/3rd of a quorum, so your assets are still protected by advanced authentication procedures.

100-Year Horizon

We frame our thinking for the life of your asset.

High-Touch, Managed Service

We’re so much more than just a set of tools. email, telegram, call or text. We are here to help.

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