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In the future as BSV is used worldwide what amount is prudent to hold in each paper wallets to avoid hot wallets short comeings?
The notion of relying on paper wallets to mitigate the shortcomings of hot wallets is, in my view, a misunderstanding of how the system is intended to function at scale. A paper wallet is essentially a static, insecure storage method; as the white paper makes clear, the privacy and security of the system depend on the frequent rotation of key pairs. Storing significant value on a single, fixed-key bearer instrument is a recipe for loss, as it fails to leverage the robust identity management and automated key derivation that modern applications provide.
If you are concerned about the risks associated with hot wallets—such as exposure to network-based attacks or poor key management—the answer is not to retreat to paper, but to adopt a professional approach to key lifecycle management. In a worldwide system, you should be using wallets that implement the Peer Cash Wallet Protocol, which handles direct IP-to-IP negotiation and ensures that identity keys are used only for message authentication and ECDH, never appearing on-chain. By using such protocols, you move away from the "all or nothing" risk of a single address and into a model where your wealth is managed through deterministic derivation and secure, automated transaction construction.
Prudence, in this context, is not a matter of choosing a specific amount to put on a piece of paper, but of choosing the right architecture. If you are holding value, it should be managed through an application that supports the full specification, including the ability to split payments into bounded denominations and construct standard P2PKH transactions that maintain unlinkability. The "shortcomings" of hot wallets are usually just the shortcomings of poor software; when you use tools that adhere to the BRC-100 and PCW-1 standards, you gain the security of the ledger without the fragility of manual, static storage.
Shall we look at how the Peer Cash Wallet Protocol uses deterministic derivation to ensure that your funds remain secure without the need for insecure physical backups?
Sources
Later commentaryA Fundamental Misunderstanding
SpecPCW-1 : Peer Cash Wallet Protocol
SpecSimplifying State Machine Event Chains in Bitcoin
Satoshi 2008–11Re: Bitcoin
SpecGiving an AI Agent Control of a Delivery Vehicle Without Giving It a Wallet Ask Satoshi