Archive
Every SolCard article, newest first — guides to paying with crypto, card comparisons, and step-by-step walkthroughs.
crypto referral income
Crypto referral programs pay you when the people you invite sign up and spend. Here is how they work, what you can realistically earn, and how to promote them.
average crypto transaction fees
The average Solana transaction costs ~$0.0008, versus ~$0.24 on Bitcoin and ~$0.18 on Ethereum in mid-2026. Full crypto network fee comparison by chain.
crypto adoption by country
India leads the Chainalysis 2025 Global Crypto Adoption Index, ahead of the US and Pakistan. Turkey ranked #11 in the 2024 index. Full country rankings for both years.
crypto card rewards statistics
Crypto cards typically pay 1%-5% cashback, with top staking tiers up to 8%. Full crypto card rewards statistics, cashback rates by card, and adoption.
crypto card statistics
No issuer publishes an exact count, but the crypto card market is ~$2-4B in 2026 and card spending hit an $18B run rate. Full crypto card statistics.
crypto ownership by age
Gen Z owns the most crypto -- about 51% own or have owned it, ahead of Millennials (49%) and Gen X (29%). Full generational breakdown for 2026.
crypto remittance statistics
Crypto remittances hit an estimated $27.9 billion in 2025 -- about 4% of the $685 billion global market. Full stats on cost, corridors, and growth.
how many bitcoin are left to mine
Fewer than 1 million bitcoin are left to mine as of mid-2026 -- roughly 950,000 -- with about 20 million of the 21 million cap already in circulation.
how many bitcoin are lost
An estimated 3 to 4 million BTC -- roughly 17-20% of Bitcoin's 21 million supply -- are lost forever. The data on lost coins, Satoshi's stash, and more.
how many bitcoin millionaires are there
As of mid-2026, roughly 121,500 Bitcoin addresses hold $1 million or more in BTC. The data on millionaire wallets, wealth tiers, whales, and people.
how many crypto wallets are there
Roughly 220 million crypto wallets were active monthly in late 2024, but only 30-60 million are real people. Full wallet statistics and the users gap.
how many cryptocurrencies are there
About 17,900 cryptocurrencies are actively tracked by CoinGecko as of July 2026, but CoinMarketCap's crawler counts 55+ million tokens created -- over half now dead.
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