• Dapps:16.23K
  • Blockchains:78
  • Active users:66.47M
  • 30d volume:$303.26B
  • 30d transactions:$879.24M

Adam Back reveals he did not own Bitcoin until 2013

user avatar

by Giorgi Kostiuk

a year ago


Adam Back, a renowned cryptographer and inventor of Hashcash, shared intriguing details about his Bitcoin ownership. Although his inventions impacted cryptocurrency's development, he didn’t acquire Bitcoin until 2013.

The History of Hashcash Invention

Hashcash was invented by Adam Back in 1997 as a proof-of-work algorithm to combat spam and denial-of-service attacks. This algorithm played a crucial role in the setup of Bitcoin's mining process and influenced the creation of its proof-of-work model. Back's contributions were mentioned in Satoshi Nakamoto's 2008 white paper.

Lack of Bitcoin Ownership until 2013

Despite his significant role in cryptographic systems development, Back did not own Bitcoin until 2013. He admitted it was a mistake, expressing regret over not purchasing or mining Bitcoin in 2009.

Correct.

Blockstream Company's Development

After his initial Bitcoin purchases in 2013, the cryptocurrency's price grew by more than 50,000%. In 2014, Back founded Blockstream, a company developing infrastructure for Bitcoin and other decentralized systems. Blockstream is known for innovations like sidechains, Liquid Network and the Bitcoin satellite network.

Despite contributing significantly to cryptocurrency's development, Adam Back only began owning Bitcoin in 2013. His subsequent work with Blockstream further advanced decentralized technology.

0

Rewards

chest
chest
chest
chest

More rewards

Discover enhanced rewards on our social media.

chest

Other news

Navigating the Risks Associated with Commodity ETFs

chest

Investors in commodity ETFs must be vigilant about hidden risks that can significantly impact returns.

user avatarDiego Alvarez

Essential Checklist for Investing in Commodity ETFs

chest

A checklist for investors to consider before investing in commodity ETFs.

user avatarElias Mukuru

Why Now is the Time to Invest in Commodities

chest

Investing in commodities is crucial for portfolio diversification and inflation hedging.

user avatarKenji Takahashi

CFTC Launches Digital Assets Pilot Program

chest

The CFTC has launched a pilot program allowing digital assets like Bitcoin, Ether, and USDC to be used as collateral in US derivatives markets.

user avatarMaria Fernandez

Binance Word of the Day Offers Themed Words for User Engagement

chest

Binance's Word of the Day event from December 09 to December 14, 2025, features themed words to enhance user engagement and crypto vocabulary.

user avatarGustavo Mendoza

Binance Introduces Daily Vocabulary Event for Cryptocurrency Fans.

chest

On December 09, 2025, Binance launched its Word of the Day event, inviting users to guess crypto-related words for a chance to earn BNB rewards.

user avatarRajesh Kumar

Important disclaimer: The information presented on the Dapp.Expert portal is intended solely for informational purposes and does not constitute an investment recommendation or a guide to action in the field of cryptocurrencies. The Dapp.Expert team is not responsible for any potential losses or missed profits associated with the use of materials published on the site. Before making investment decisions in cryptocurrencies, we recommend consulting a qualified financial advisor.