Source-audited banking research
Understand what
banks do.
SmartBanker.org explains how banking institutions evolved, how their balance sheets work, and why trust sometimes breaks—using primary, official, and scholarly sources.
Choose your question
How banking works, and how it got here.
Compare competing first-bank claims, follow money through a balance sheet, or understand why bank runs spread.
History of Banking
Banking developed from credit, deposits and payments across different societies. No single person invented it. Ancient lending, merchant banks and modern central banks mark different stages, not one universal starting date.
Read the researchThe First Banks: Origins, Founders and Dates
Banking has no single inventor or founding date. Ancient lenders, deposit bankers, public banks and today’s oldest surviving institutions answer different “first bank” questions.
Read the researchAncient Banking in Mesopotamia: Loans, Temples, Merchants, and Cuneiform Contracts
Mesopotamian tablets record loans, interest and repayment obligations. They show ancient credit and accounting, not a single modern-style banking system or a proven first bank.
Read the researchHow Commercial Banks Create Money: A Balance-Sheet Explanation
When a bank makes a loan by crediting an account, it creates a matching deposit. Principal repayment destroys deposit money. Capital, liquidity, settlement, risk and creditworthy demand constrain lending.
Read the researchCommercial Banks vs Central Banks
Commercial banks provide customer deposits, payments and loans. Central banks supply currency and settlement money and carry public monetary responsibilities. Both hold assets and issue liabilities, but their purposes differ.
Read the researchBank Runs: Meaning, Causes and Historical Examples
A bank run is a rush by depositors or other short-term funders to withdraw money from a bank. It can create a liquidity crisis; a run does not always end in bank failure.
Read the researchFollow the evidence
See why an explanation holds up.
Compare the claim with its sources, inspect competing interpretations, and check when time-sensitive facts were recorded.
Read the full methodology- 01Define the question
Identify the institution, period, and banking function being compared.
- 02Compare the claims
Look at the evidence, competing interpretations, and remaining uncertainty.
- 03Check the sources
Open direct references and download the supporting timeline or claims table.
Read banking claims carefully
Put the claim
in context.
01 Which banking function is being described?
02 Is the evidence ancient, historical, or current?
03 Does the claim concern a commercial bank or central bank?
04 What assumptions does the balance-sheet example use?
05 Which source could confirm or challenge the explanation?
Start with the whole system
Banking did not begin in one place on one date.
Follow the functions—from ancient accounting and merchant credit to settlement banks, central banks, bank money, crises, and digital networks.
Read the history of banking