Vocabulary Words Every Wallet Engineer Should Know

Wallet

Definition: a small case for holding money and cards

• He keeps his money in his wallet.
• Her wallet was full of pictures and coupons.
• Don't forget to bring your wallet when you go shopping.

Wallet in a sentence

Money

Definition: Paper or coins used to buy things.

• I need money to buy a new book.
• He saved his money for a new bike.
• We use money to pay for food.

Money in a sentence

Save

Definition: To keep something safe or to store for later.

• I save money for a new bike.
• Please save your work before turning off the computer.
• They save energy by using less electricity.

Save in a sentence

Buy

Definition: To get something by paying money.

• I want to buy a new phone.
• She bought a gift for her friend.
• They buy fresh vegetables from the market.

Buy in a sentence

Spend

Definition: To use money to buy something; to use time doing something.

• I want to spend my allowance on a new game.
• They decided to spend the weekend at the beach.
• She likes to spend time reading books.

Spend in a sentence

Cost

Definition: The amount of money needed to buy something.

• The cost of the book is ten dollars.
• She checked the cost of the concert tickets.
• It may cost more to travel during the holidays.

Cost in a sentence

Cash

Definition: Money in the form of coins or banknotes.

• I prefer to pay in cash.
• He kept some cash in his wallet.
• They accepted cash for the ticket.

Cash in a sentence

Card

Definition: A small piece of paper or plastic with information.

• She gave me a birthday card.
• He paid with his credit card.
• I wrote a thank-you card for my teacher.

Card in a sentence

Shop

Definition: A place where goods are sold or the act of buying items.

• I will go to the shop to buy some groceries.
• We can shop for new clothes this weekend.
• The shop has many interesting toys for kids.

Shop in a sentence

Price

Definition: The amount of money required to buy something.

• The price of the shirt is ten dollars.
• I found a good price for my favorite book.
• Prices change depending on the store.

Price in a sentence

Change

Definition: To make something different; the act of becoming different.

• She decided to change her hairstyle.
• He likes to change his routine every month.
• Change is a natural part of life.

Change in a sentence

Bank

Definition: A place where money is kept or managed.

• I need to go to the bank to deposit my allowance.
• The bank offers loans for buying homes.
• He has a savings account at the bank.

Bank in a sentence

Pay

Definition: To give money for goods or services.

• I will pay for my lunch today.
• She forgot to pay the bill on time.
• They need to pay for their movie tickets.

Pay in a sentence

Bill

Definition: a statement of money owed

• He received a bill for his phone service.
• The bill was higher than expected.
• She paid the bill at the restaurant.

Bill in a sentence

Coin

Definition: A small, flat, round piece of metal used as money.

• He found a coin on the ground.
• She collected rare coins as a hobby.
• The coin was worth five cents.

Coin in a sentence

Receipt

Definition: A document acknowledging that something has been received, especially in transactions.

• He kept the receipt for his new shoes.
• She asked for a receipt after buying the groceries.
• Understanding receipts is important for budgeting.

Receipt in a sentence

Value

Definition: The importance or worth of something.

• Honesty has great value in life.
• The value of gold is very high.
• She understands the value of hard work.

Value in a sentence

Budget

Definition: A plan for managing money; an estimate of income and expenses.

• I need to create a budget for my monthly spending.
• We saved money by sticking to our budget.
• The school has a budget for supplies and activities.

Budget in a sentence

Earn

Definition: To receive money or reward for work done.

• She wants to earn money for a new bike.
• He hopes to earn a good grade this semester.
• You can earn points by completing tasks.

Earn in a sentence

Debt

Definition: Money owed to someone; an obligation to pay back.

• He is trying to pay off his debt.
• She learned about managing debt in finance class.
• Living within your means helps avoid debt.

Debt in a sentence

Loan

Definition: Money borrowed that is expected to be paid back.

• He took a loan to buy a car.
• The bank offered her a loan for school.
• She is paying off her loan slowly.

Loan in a sentence

Interest

Definition: A feeling of wanting to know or learn about something; a stake in something.

• She has a strong interest in science.
• His interest in music started at a young age.
• They learned about how to manage their interest in saving.

Interest in a sentence

Engineer

Definition: A person who designs and builds things.

• My brother is an engineer.
• Engineers build bridges and roads.
• She wants to become an engineer.

Engineer in a sentence

Design

Definition: A plan or drawing for something.

• He made a beautiful design for the dress.
• The building has a modern design.
• She loves to design clothes.

Design in a sentence

Secure

Definition: Safe and protected.

• Make sure your password is secure.
• They feel secure in their neighborhood.
• He wants to secure his belongings.

Secure in a sentence

Transaction

Definition: an instance of buying or selling something

• The transaction was completed online.
• He received a receipt for the transaction.
• They tracked the transaction in their records.

Transaction in a sentence

Digital

Definition: Relating to technology that uses computer systems.

• I prefer digital books over paper ones.
• Digital cameras take pictures without film.
• We can find digital resources online for our project.

Digital in a sentence

Currency

Definition: The money used in a particular country.

• The dollar is the currency of the United States.
• She exchanged her currency for euros.
• Understanding currency is important for travel.

Currency in a sentence

Software

Definition: A collection of programs and applications that run on computers and devices.

• She installed new software on her laptop.
• Understanding software is important for tech support.
• The software helps users manage their tasks efficiently.

Software in a sentence

User

Definition: A person who uses a product or service.

• The app has many users.
• Every user must create an account.
• They conducted a survey for the app users.

User in a sentence

Interface

Definition: The point where two systems meet and interact; a user-friendly design for software.

• The interface of the app is easy to use.
• He learned how to design a user interface.
• The new interface makes navigation simple.

Interface in a sentence

Feature

Definition: A distinctive attribute or aspect of something.

• The new phone has a great camera feature.
• One feature of the park is its beautiful lake.
• Understanding features helps in product comparisons.

Feature in a sentence

Access

Definition: The ability to enter or use something; to gain entry.

• Students have access to the library after school.
• She needs access to the internet for her research.
• They provide access to resources for learning.

Access in a sentence

Account

Definition: A record of financial transactions; a personal description of events.

• She opened an account at the bank.
• He shared his account of what happened.
• The account showed all his expenses.

Account in a sentence

Balance

Definition: A state of stability; an equal distribution of weight or amount.

• It's important to maintain a balance between work and play.
• She tries to balance her studies and hobbies.
• The scale showed a perfect balance.

Balance in a sentence

Transfer

Definition: To move something from one place to another; the act of changing ownership.

• I need to transfer my files to a new computer.
• The transfer of data was completed successfully.
• She will transfer to a different school next year.

Transfer in a sentence

Payment

Definition: Money given for goods or services.

• I made my payment for the concert tickets.
• The payment is due at the end of the month.
• We can process your payment online.

Payment in a sentence

System

Definition: A set of connected things or parts that work together.

• Our school has a new system for tracking grades.
• The solar system has many planets.
• A good study system helps improve learning.

System in a sentence

Technology

Definition: The use of scientific knowledge for practical purposes; tools and machines.

• Technology changes quickly in our world.
• She studies technology in school.
• They use technology to solve problems.

Technology in a sentence

Data

Definition: Information collected for analysis.

• The data shows an increase in sales.
• We need to analyze the data carefully.
• His research includes a lot of data.

Data in a sentence

Privacy

Definition: The state of being free from public attention or disturbance.

• Everyone deserves their privacy at home.
• It's important to respect others' privacy.
• I like to have privacy when I study.

Privacy in a sentence

Blockchain

Definition: A technology that allows secure and transparent record-keeping of digital transactions.

• Blockchain is used for cryptocurrencies like Bitcoin.
• Understanding blockchain can help in finance and technology.
• She learned about blockchain in her computer science class.

Cryptocurrency

Definition: Digital or virtual currency that uses cryptography for security.

• Cryptocurrency is becoming more popular for online transactions.
• He invested in cryptocurrency for its potential growth.
• Understanding cryptocurrency is important in today's economy.

Decentralization

Definition: the process of distributing functions away from a central authority

• Decentralization can lead to more local decision-making.
• The government implemented decentralization to improve efficiency.
• Understanding decentralization is important in management.

Decentralization in a sentence

Security

Definition: The state of being free from danger.

• They installed security cameras in the building.
• Security is important in our daily lives.
• She feels safe with good security measures.

Security in a sentence

Encryption

Definition: The process of converting information into a code to prevent unauthorized access.

• Encryption keeps your data safe from hackers.
• She used encryption to secure her emails.
• Understanding encryption is vital for online safety.

Encryption in a sentence

Verification

Definition: The process of confirming that something is true or accurate.

• The verification of the report took several days.
• He needed verification of his identity to access the account.
• They conducted a verification of the data collected.

Verification in a sentence

Peer-to-peer

Definition: A type of network where computers communicate directly with each other without a central server.

• Peer-to-peer networks allow file sharing between users.
• She used a peer-to-peer application to share music.
• Peer-to-peer technology can enhance collaboration.

Peer-to-peer in a sentence

Ledger

Definition: A book or digital record used for keeping financial accounts.

• The accountant keeps a ledger of all transactions.
• We reviewed the ledger to find the expenses.
• The ledger helps track income and spending.

Ledger in a sentence

Mining

Definition: the process of extracting minerals or resources from the earth

• Mining is essential for obtaining natural resources.
• He worked in mining to extract coal from the ground.
• The mining industry provides jobs for many people.

Mining in a sentence

Smart Contract

Definition: A self-executing contract with the terms directly written into code.

• A smart contract automatically enforces agreements without intermediaries.
• They used a smart contract to simplify the transaction.
• Understanding smart contracts is important in blockchain technology.

Scalability

Definition: The ability of a system to handle growth or increased demand.

• The software has great scalability for future users.
• Scalability is important for business growth.
• They are looking for solutions to improve scalability.

Scalability in a sentence

Protocol

Definition: A set of rules or procedures to be followed in certain situations.

• The protocol for the experiment was carefully followed.
• They established a protocol for handling emergencies.
• Understanding the protocol is important for safety.

Protocol in a sentence

Asset

Definition: Something valuable owned by a person or company.

• The house is their biggest asset.
• Her skills are a great asset to the team.
• Investing in education is an important asset.

Asset in a sentence

Exchange

Definition: To give something and receive something in return; a swap.

• They wanted to exchange books for a project.
• The currency exchange at the airport was busy.
• She had to exchange her old phone for a new one.

Exchange in a sentence

Token

Definition: An object that represents something or serves as a symbol.

• He received a token of appreciation for his hard work.
• The game included a token that players could collect.
• A token can be a small gift or a special item.

Token in a sentence

Address

Definition: The location where someone lives or works.

• What is your address for the invitation?
• Please write your address on the form.
• He moved to a new address last month.

Address in a sentence

Public Key

Definition: A cryptographic code that allows users to receive messages securely.

• Your public key can be shared with anyone for communication.
• Public keys are essential for secure online transactions.
• He shared his public key to receive encrypted messages.

Private Key

Definition: A secure code used to access a cryptocurrency wallet.

• Your private key must be kept safe to protect your funds.
• If someone has your private key, they can access your account.
• Never share your private key with anyone.

Consensus

Definition: General agreement among a group of people.

• The team reached a consensus on the project direction.
• There was a consensus that the plan needed improvement.
• They worked towards a consensus during the meeting.

Consensus in a sentence

Algorithm

Definition: A step-by-step procedure for solving a problem or completing a task.

• An algorithm can help computers perform calculations.
• He learned about algorithms in his computer science class.
• Understanding algorithms is essential for programming.

Utility

Definition: The usefulness or benefit of something.

• The utility of a smartphone includes many apps.
• He explained the utility of recycling for the environment.
• Understanding utility helps in making better choices.

Utility in a sentence

Investment

Definition: The action of putting money into something to earn more money in the future.

• He made a smart investment in stocks.
• They discussed investment options for their savings.
• Her investment in education paid off.

Investment in a sentence

Volatility

Definition: The degree of variation in a trading price series over time.

• Stock market volatility can be stressful for investors.
• High volatility means prices can change quickly.
• Understanding volatility is crucial for traders.

Volatility in a sentence

Validation

Definition: the act of confirming or supporting something

• Validation of the results is crucial for the research.
• She received validation from her peers for her project.
• The process requires validation to ensure accuracy.

Validation in a sentence

Node

Definition: A point in a network where lines intersect or branch off; also used in graphs.

• The computer network has many nodes.
• Each node represents a connection in the system.
• He studied how nodes interact in a graph.

Node in a sentence

Interoperability

Definition: the ability of different systems to work together

• Interoperability is crucial for technology integration.
• They focused on improving interoperability between software.
• The project aims to enhance interoperability across platforms.

Interoperability in a sentence

Tokenization

Definition: the process of converting rights to an asset into a digital token

• Tokenization can simplify transactions and ownership.
• He learned about tokenization in his finance class.
• The company focuses on tokenization of real estate assets.

Governance

Definition: The way in which organizations or countries are managed and controlled.

• Good governance ensures fairness and accountability.
• She studied governance in her political science class.
• Understanding governance is crucial for effective leadership.

Governance in a sentence

Anonymity

Definition: The state of being unknown or unidentified.

• She valued her anonymity while sharing her opinion.
• Anonymity can encourage honest feedback.
• The survey was conducted with anonymity in mind.

Anonymity in a sentence

Cryptography

Definition: The practice and study of techniques for secure communication.

• Cryptography is vital for online security.
• She learned about classical and modern cryptography.
• Understanding cryptography helps protect sensitive information.

Cryptography in a sentence

Vulnerability

Definition: The quality of being open to harm or damage; susceptibility.

• Being vulnerable can help build strong relationships.
• She shared her vulnerability during the discussion.
• The report highlighted the community's vulnerability to disasters.

Vulnerability in a sentence

Hash Function

Definition: A mathematical algorithm that transforms data into a fixed-size hash value.

• The hash function ensures quick data retrieval.
• He learned how hash functions work in programming.
• Using a secure hash function is vital for cybersecurity.

Hash Function in a sentence

Custody

Definition: the protective care or guardianship of someone or something

• The court granted her custody of the children.
• He was in custody for further questioning.
• They discussed issues related to child custody in family law.

Custody in a sentence

Multisignature

Definition: Referring to a transaction or feature requiring multiple signatures for validation.

• The bank implemented multisignature accounts for security.
• She set up a multisignature wallet for her investments.
• Multisignature technology is used in various financial applications.