Bitcoin
How a Bitcoin Wallet Signs a Transaction
A bitcoin signature proves ownership of specific coins without revealing the private key, using elliptic-curve math that any node can verify in microseconds.
Author
Jacob Hoffman
Independent editorial contributor covering markets, digital assets, risk and personal finance.
Articles by Jacob Hoffman
Trading
How Position Sizing Works in Crypto Trading
Position sizing is the arithmetic that converts a tolerable loss into a position size before the trade is placed — and it, not the entry, decides whether an…
Crypto News
SEC and CFTC Joint Interpretation Sorts Crypto Into Five Categories
In a March 17 interpretive release, the two agencies jointly clarified which crypto assets are securities — naming 18 assets in a five-part taxonomy the CFTC…
Trading
How Crypto Liquidations and Auto-Deleveraging Work
When a leveraged account's collateral runs out, the exchange's liquidation engine closes the position; if losses outrun the insurance fund, profitable traders…
Trading
What Perpetual Futures Funding Rates Are and How They Anchor Price
Perpetual futures never expire, so exchanges charge longs and shorts a periodic payment called funding that pulls the contract back toward spot — and reveals…