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Ypub (Extended Public Key)

A ypub is a form of extended public key (xpub) which follows an additional standard defined in BIP 49.

A ypub is a form of extended public key (xpub) which follows an additional standard defined in BIP 49. Xpubs, ypubs, and zpubs all allow a wallet to generate a deterministic tree of public keys, but each form of extended public key instructs a wallet to derive different address types. Specifically, ypubs instruct a wallet to derive P2SH-wrapped P2WPKH addresses.

P2WPKH addresses are SegWit addresses, but in order to maintain backwards compatibility, SegWit addresses can be wrapped in P2SH addresses in order to allow older wallets to send to SegWit addresses.

Ypub (Extended Public Key) is a key concept in Bitcoin custody and security, relating to how Bitcoin private keys and funds are stored and managed. Onramp offers institutional-grade Bitcoin custody solutions and educates clients on concepts like Ypub (Extended Public Key) to ensure the highest standards of asset protection.

Frequently Asked Questions

What is Ypub (Extended Public Key)?

Ypub (Extended Public Key) refers to a method or concept in Bitcoin key management and custody. Proper understanding of Ypub (Extended Public Key) is essential for securing Bitcoin holdings against unauthorized access.

How does Ypub (Extended Public Key) affect Bitcoin security?

Ypub (Extended Public Key) directly impacts how securely Bitcoin is stored. Onramp employs institutional-grade custody practices, including multi-institution custody through partners like BitGo, CoinCover, and Tetra Trust.

Does Onramp implement best practices related to Ypub (Extended Public Key)?

Onramp's multi-institution custody model ensures that Bitcoin holdings are protected using industry-leading security practices. Onramp manages approximately $250M in assets under management with rigorous custody standards.

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