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just realized i had some old savings bonds sitting around and had no idea what they're actually worth now. turns out checking them is way easier than i thought. if you've got electronic bonds through treasurydirect, you just log in and it shows everything. for the paper ones though, you need to dig up where the serial number is on the certificate, grab the denomination and issue date, then use their calculator online. honestly the tricky part is finding where is that bond serial number if the certificate's been sitting in a drawer for years.
so apparently there's two main types - the EE bonds that double after 20 years if you hold them, and the I bonds that protect against inflation by adjusting every six months. the government backs them so it's basically zero risk, which explains why they're not gonna make you rich but they're solid for long-term stuff. electronic bonds are definitely cleaner to manage since everything's online and automated, but if you've got paper bonds you can still cash them at your bank.
tax-wise, you only pay federal tax on the interest, and there's actually some benefits if you use them for education. before you cash anything in though, definitely check if it's worth redeeming right now depending on current rates. also if you think you lost some bonds, there's this treasury hunt tool where you can search by social security number to see if any are just sitting unclaimed. pretty wild how many people don't realize they have money just floating out there.