Q: What is Bitcoin?
A: Bitcoin is digital money you can send anywhere over the internet without a bank. It’s powered by a
network of computers that verify every transaction.
Q: What are sats?
A: “Sats” (satoshis) are the smallest units of Bitcoin. 1 Bitcoin = 100 million sats. Think of sats like
"cents" for Bitcoin.
Q: What is a seed phrase?
A: A seed phrase is a set of words (usually 12–24) that let you restore your wallet. It’s the only backup of
your Bitcoin—keep it safe and private.
Q: What if I lose my phone?
A: If you lose your phone, you can restore your wallet (and your funds) on a new device by entering your
seed phrase into a compatible wallet app.
Q: What is on-chain?
A: On-chain transactions happen directly on the Bitcoin blockchain. They’re very secure but can be slower
and cost more fees.
Q: What is Lightning?
A: Lightning is a second layer on top of Bitcoin for fast, low-fee payments. It lets you send and receive
sats almost instantly.
Q: What is Spark?
A: Spark is a service that offers bitcoin onchain, Lightning and Spark to Spark transfers
Q: Can i send and receive to/from other bitcoin wallets?
A: Yes. Only Spark transfers can only be made to other Spark wallets.
Q: Can i switch to a different Spark wallet?
A: Yes. You just need your current seed phrase and import it in the other wallet.