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Quantitative Finance · Glossary

What is Mempool?

Definition 14.8 Markets III: Commodities, Energy and Crypto · Chapter 14 — Blockchains for Traders

The mempool is the set of signed transactions that nodes have received and relayed but that are not yet in a block: public, in most chains, to anyone who runs a node.

The life of a transaction and where a trader’s time goes: waiting for inclusion depends on the fee paid against others’, waiting for finality on the chain. Schematic.
Figure 14.2. The life of a transaction and where a trader’s time goes: waiting for inclusion depends on the fee paid against others’, waiting for finality on the chain. Schematic.
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