Comparing Self-Custody Options
Seed phrase, hardware wallet, MPC, multisig — an honest comparison of what each model actually guarantees, what it costs you, and how to pick.
7 min
All articles
Every guide we have published, newest first. Search by title or filter by topic.
20 articles
Dogecoin in SSP: One-Minute Blocks, a Big Dust Limit, and No Cap
A dust limit 1,800x Bitcoin's, fees that look huge and cost nothing, P2SH addresses instead of segwit — and an issuance schedule that never stops.
5 min
Solana Fees and Rent, Explained
Base fees, priority fees and refundable rent, with the real numbers SSP charges — and why your first Solana send costs more than every one after it.
6 min
Litecoin in SSP: The Chain Closest to Bitcoin, and Where It Isn't
Same P2WSH multisig, same dust limit, same seed — at a fifth of the fee rate and a quarter of the block time. Plus the one thing SSP does not do: MWEB.
6 min
SPL Tokens and Token Accounts in SSP
Why Solana gives every token its own account, who pays the rent for it, and how SSP puts the token's decimals inside the signature you approve.
8 min
Flux in SSP: Sending, Holding, and the One-Hour Rule
Flux transactions expire after about an hour. What that means for two-device signing, why fees are trivial, and how node collateral stays in your own multisig.
7 min
Transaction Simulation: What a Transaction Will Do Before You Sign It
A preview of a transaction's effects, fourteen warning checks, address-poisoning detection — and why none of it is allowed to block your signature.
8 min
Sending Solana with SSP
A step-by-step guide to sending SOL and SPL tokens from SSP: what the review screen verifies, why approval never expires, and what the first send costs.
7 min
Critical Actions: Why Some Operations Ask for Both Devices Again
Thirteen operations need re-signing, not a session cookie. Why the server writes the challenge, what it is bound to, and why failed attempts are logged too.
6 min
Solana in SSP
How SSP holds SOL and SPL tokens in a 2-of-2 multisig with no creator, who pays the fees, and what your devices verify before signing.
7 min
What Actually Stops a Transaction
Whitelists, time locks and approval rules shape what gets proposed. Only the signature threshold is enforced by the chain. A three-layer threat model, stated honestly.
6 min
Setting Up Your First Enterprise Vault
The five-step wizard, why two of those steps are permanent, what pending setup means, and the four checks to run before any money arrives.
7 min
Roles and Permissions in SSP Enterprise
Organisation roles are records; the signer set is an address. The full permission matrix, why admins cannot touch admins, and what requires re-signing.
6 min
SSP Enterprise: Multisig Vaults for Teams
How organisations, vaults, roles and proposals fit together in SSP Enterprise — and which of them actually stop a transaction rather than just shaping it.
8 min
Country and Payment Method Coverage for Buy and Sell
This guide deliberately gives you no country list — it would be stale in months. Instead: what determines your coverage, and how to check it authoritatively in a minute.
5 min
Swapping Tokens Inside SSP vs Using a DEX
SSP's in-wallet swap is not a DEX. It's a signed send to a centralized exchanger. Here's how the two machines differ, and which one you should use when.
6 min
Fees and Spreads Explained for the SSP Aggregator
Nobody shows you a bill. The spread hides inside the rate, and your own network fee isn't in the quote at all. The four places a cost hides, and how to read a quote.
6 min
Buying Crypto Inside SSP: The Aggregator Engine Explained
SSP doesn't sell you crypto — an aggregator routes you to a regulated provider. How the on-ramp works, and the signed address lock that keeps your coins yours.
6 min
Selling Crypto from SSP: The Fiat Off-Ramp Flow
Selling isn't buying in reverse. You sign your crypto away first and wait for the money — here's the flow, the exposure window, and how to handle it safely.
5 min
Sending Dogecoin with SSP
A step-by-step 2-of-2 walkthrough for sending DOGE from your SSP wallet: verify the address, pick a fee tier, and co-sign on both devices.
7 min