column

A composite passphrase is a password that consists of a combination of 12 to 24 English or Japanese words. Example: apple dog cat go paper cap water hand tree… Q. When should I use my recovery passphrase? Continue reading 07.複合パスフレーズ

In the previous chapter, we explained that an address is associated with a "private key" and a "public key," which are necessary to actually execute a transaction. Virtual currencies use a method called public key cryptography, and the "address," "private key," and "public key" must be set in advance. Continue reading 06.秘密鍵と公開鍵

In cryptocurrency, a "wallet" is like a safe that stores all past transaction history. The literal translation is "wallet," so many people may imagine the wallet we use every day. However, like a wallet, "cryptocurrency" itself... Continue reading 05.ウォレットって？

Multisig is an abbreviation for Multi Signature, a technology that requires multiple private keys to sign a transaction. In cryptocurrency, when executing a transaction, two or more private keys are used. Continue reading 04.マルチシグについて

Mining is the process of approving cryptocurrency transaction data and recording correct transaction data on the blockchain. (The people who do this are called miners.) For example, "Alice sends 1 BTC to Bob..." Continue reading 03.マイニングとは？

The Byzantine Generals Problem is a type of network fraud or error that is exemplified by betrayal within a group in the Byzantine Empire, a European empire. ～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～ Continue reading 02.ビザンチン将軍問題とは？

Blockchain is a database (distributed ledger) that records all transactions from the time when virtual currency was first created to the present. "Blocks," which are a collection of transaction records of funds over a certain period of time, are connected like a "chain" and recorded... Continue reading 01.ブロックチェーンって何？