https://www.tkmatima.com/blog daily 0.75 2025-11-30 https://www.tkmatima.com/blog/data-driven-vulnerability-management monthly 0.5 2025-11-30 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/63be4199-2b7d-4f58-aeba-4012e8768e5e/output+%281%29.png Posts - Data-driven Vulnerability Management - Make it stand out Number of published vulnerabilities https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/26794f08-a1ab-4169-ab11-ac028f59fe17/Using+EPSS Posts - Data-driven Vulnerability Management - Make it stand out Example of EPSS context - courtesy of Snyk https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/40b802a6-92ac-471d-9bad-53ea960d605c/FIRST.org Posts - Data-driven Vulnerability Management - Make it stand out Illustrative example: Data from late 2023 shows that among all vulnerabilities with CVSS score ≥7 (green circle), only a small subset were observed exploited in the ensuing 30 days (red portion) This highlights the gap between high severity on paper and true risk in the wild. https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/6010329d-4dc4-4759-8c92-67c47e69e347/prioritization+framework Posts - Data-driven Vulnerability Management - Make it stand out prioritization example using KEV, CVSS and EPSS filtering https://www.tkmatima.com/blog/dreams-in-the-gulf-stream-solanas-mempool-less-protocol monthly 0.5 2024-07-17 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/4635c496-c574-4ceb-bc66-41fbf0c70e79/Screenshot+2024-07-17+at+21.52.53.png Posts - Dreams in the Gulf Stream: Solana’s mempool-less protocol - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.tkmatima.com/blog/blockchain-consensus-mechanisms monthly 0.5 2022-07-08 https://www.tkmatima.com/blog/blockchain-killer-products monthly 0.5 2021-06-27 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1624785398316-LLZ0DUV745OX56URGYI8/Screenshot+2021-06-27+at+11.15.54.png Posts - Killer applications for Blockchains thus far - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1624786895661-3REXU2Q6JAFO1Q3CHM50/Screenshot+2021-06-27+at+11.41.21.png Posts - Killer applications for Blockchains thus far - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1624786854673-7UGB798HXT2IV061J2IV/Screenshot+2021-06-27+at+11.40.42.png Posts - Killer applications for Blockchains thus far - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.tkmatima.com/blog/zero-knowledge-proofs-an-overview monthly 0.5 2021-05-11 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1620747757554-N8UTYWGQQJPXL2NPTOG0/Screenshot+2021-05-11+at+17.38.29.png Posts - Zero Knowledge Proofs - an overview (without the maths) - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1620750216537-MGETVI9YEYL7OG8JX3HF/Screenshot+2021-05-11+at+18.23.11.png Posts - Zero Knowledge Proofs - an overview (without the maths) - Make it stand out Current issues with Verifiable Credentials (VCs), which their SNARK-based ZKP credential scheme could address https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1620727062087-IGQ42XOZNTKA49376W26/Screenshot+2021-05-11+at+11.57.16.png Posts - Zero Knowledge Proofs - an overview (without the maths) - Make it stand out Anatomy of a Zcash transaction https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1620658353741-FIHWSH6VRINGD50L3TAY/Screenshot+2021-05-10+at+16.52.13.png Posts - Zero Knowledge Proofs - an overview (without the maths) Demystifying zero Knowledge proofs https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1620749369004-9W8R1USU5ZB4J7UFCPHB/unsplash-image-4hfpVsi-gSg.jpg Posts - Zero Knowledge Proofs - an overview (without the maths) - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1620664731767-XF4EP9CSHEIXO09ZCC4Q/Screenshot+2021-05-10+at+18.37.37.png Posts - Zero Knowledge Proofs - an overview (without the maths) https://www.tkmatima.com/blog/current-state-of-storing-and-restoring-crypto-wallets monthly 0.5 2021-04-02 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1617378513084-DZZU63RB50PS5OSXESIA/IMG_9781.jpg Posts - Current state of storing, restoring and bequeathing crypto assets / wallets https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1617377916333-BB1VZCOHC0J3UXZYCPTD/Screenshot%2B2021-04-02%2Bat%2B17.37.22.jpg Posts - Current state of storing, restoring and bequeathing crypto assets / wallets https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1617378577156-EMMLNKC2LR1ZZEDIRPFE/IMG_9782.jpg Posts - Current state of storing, restoring and bequeathing crypto assets / wallets https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1617349661564-XM701695Q63049248DN8/unsplash-image-zFy6fOPZEu0.jpg Posts - Current state of storing, restoring and bequeathing crypto assets / wallets https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1617352444076-K8R2FJ4T5U32VUM82UMS/Screenshot+2021-04-02+at+10.33.41.png Posts - Current state of storing, restoring and bequeathing crypto assets / wallets courtesy of Unchained Capital https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1617353901789-VXDNL4ITPRWHI7IMGDWB/Screenshot+2021-04-02+at+10.58.08.png Posts - Current state of storing, restoring and bequeathing crypto assets / wallets Courtesy of ZenGo : https://zengo.com/safety/ https://www.tkmatima.com/blog/savings-lottery-for-low-income-earners monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1613853950352-Z31QV6UZO7XGK5PW1BLV/image-asset.jpeg Posts - Savings lottery for low-income earners https://www.tkmatima.com/blog/software-supply-chain-integrity monthly 0.5 2021-04-29 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1612767829870-P94FH2ZI4N8KFBKQRGXO/intoto-3.jpg Posts - Software supply chain integrity Courtesy of Torres-Arias et al. (2019) https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1612689638042-ZMXVCTMJT2K7HOJ82S2R/appsec+pipeline.jpg Posts - Software supply chain integrity https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1612690691576-EFKYLPPIYM8974XQVSZY/checksum.jpg Posts - Software supply chain integrity https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1612767878095-92ROFKKHUSF2B5CZS7S0/intoto-2.jpg Posts - Software supply chain integrity Courtesy of Torres-Arias et al. (2019) https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1612768578692-H9RKLO8K2AAO2YKQ8C5S/intoto-4.jpg Posts - Software supply chain integrity https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1612769075846-7CGN9FGF2FSAWL1HKN4I/in-toto-5.jpg Posts - Software supply chain integrity https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1612688674127-G43ANU0UODX7Q5B0VGWW/image-asset.jpeg Posts - Software supply chain integrity https://www.tkmatima.com/blog/eth2-pos-attack-mitigations monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1606980187065-3UR2Y2PG17UVCZ3X870C/slashed+validator.jpg Posts - How Eth2.0 mitigates specific PoS (Proof of Stake) attacks An ETH2.0 validator slashed due to a violation https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1606979802151-JPT6WUUIFO9K5IUDFOMP/image-asset.jpeg Posts - How Eth2.0 mitigates specific PoS (Proof of Stake) attacks https://www.tkmatima.com/blog/insurance-taking-center-stage-in-cyber monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1602586402549-8BZQE4UXLZ18T54ISIQD/buying+cyber+insurance.jpg Posts - Insurance taking center stage in Cyber - improving and maturing it? Some other interesting results RE: personal cyber insurance https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1602584403029-YN6RYNSL7AT4OTK13AVY/cyber+insurance+sales.jpg Posts - Insurance taking center stage in Cyber - improving and maturing it? https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1602585515890-LL2FDJ8GKS9VLTTXUB06/image-asset.jpeg Posts - Insurance taking center stage in Cyber - improving and maturing it? https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1602597517629-6QTHS29MLUNJG751V60Y/tweet.jpg Posts - Insurance taking center stage in Cyber - improving and maturing it? https://www.tkmatima.com/blog/waht-got-us-here-wont-get-us-there-passwords monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1596985267046-13UAM4DOHJNDNAWT4CX5/image-asset.jpeg Posts - What got us here, won’t get us there - Passwords https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1596987396052-2948AX0RNAGDKOYM9EML/sign-up+with+password.jpg Posts - What got us here, won’t get us there - Passwords https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1596988722796-UGQJ3PEE7IRXT12NO312/passwords%2Bfor%2Bsale.jpg Posts - What got us here, won’t get us there - Passwords R20 = ~ $1.13 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1596987462747-MEZ8EX02V0LA2843GPQH/sign-up+with+magic.jpg Posts - What got us here, won’t get us there - Passwords https://www.tkmatima.com/blog/impact-of-community-currencies monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595792350357-4750F0UZBF69ATZMEOYA/Commune.jpg Posts - The impact of community currencies in low-income communities Excerpt of my pitch at a 2012 Youth Innovation Showcase https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595929340260-TPQCEP223QWUVRWJQLNV/bangla-pesa.jpg Posts - The impact of community currencies in low-income communities Bangla-Pesa community currency https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595778974176-68M09XNP3M1XAF2HP802/image-asset.jpeg Posts - The impact of community currencies in low-income communities Let a thousand currencies bloom - Bernard Lietaer https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595938235469-E33181FS7KR3G6GH7B3T/sarafu+network.jpg Posts - The impact of community currencies in low-income communities Sarafu network dashboard https://www.tkmatima.com/blog/static-analysis-lessons-from-big-tech monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595687562905-2URJR8CZVJA5YYD4BAGF/image-asset.jpeg Posts - Static analysis lessons from big tech co’s Software is eating the world - Marc Andreeseen https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595690600060-2686ZLKL56ZDR2EJHU79/Facebook+Zoncolan.jpg Posts - Static analysis lessons from big tech co’s https://www.tkmatima.com/blog/archiving-my-site-on-the-blockchain monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595082084857-OUR7SR3ZEQ4EYSKLS09R/permaweb.jpg Posts - Archiving parts of my site on the Blockchain https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1595083908833-IZXAQGH89JP80MS32S8W/image-asset.jpeg Posts - Archiving parts of my site on the Blockchain https://www.tkmatima.com/blog/welcome-to-my-new-home monthly 0.5 2021-04-01 https://www.tkmatima.com/blog/category/stablecoin monthly 0.5 https://www.tkmatima.com/blog/category/blockchain monthly 0.5 https://www.tkmatima.com/blog/category/blockchain+ monthly 0.5 https://www.tkmatima.com/blog/category/defi monthly 0.5 https://www.tkmatima.com/blog/category/cybersecurity monthly 0.5 https://www.tkmatima.com/blog/category/NFT monthly 0.5 https://www.tkmatima.com/blog/tag/Blockchain monthly 0.5 https://www.tkmatima.com/blog/tag/SAST monthly 0.5 https://www.tkmatima.com/blog/tag/Security monthly 0.5 https://www.tkmatima.com/blog/tag/Cyber monthly 0.5 https://www.tkmatima.com/blog/tag/security monthly 0.5 https://www.tkmatima.com/blog/tag/passwords monthly 0.5 https://www.tkmatima.com/blog/tag/PoS monthly 0.5 https://www.tkmatima.com/blog/tag/bulletproofs monthly 0.5 https://www.tkmatima.com/blog/tag/IPFS monthly 0.5 https://www.tkmatima.com/blog/tag/identity monthly 0.5 https://www.tkmatima.com/blog/tag/infosec monthly 0.5 https://www.tkmatima.com/blog/tag/AppSec monthly 0.5 https://www.tkmatima.com/blog/tag/PoW monthly 0.5 https://www.tkmatima.com/blog/tag/crypto-dollar monthly 0.5 https://www.tkmatima.com/blog/tag/tokens monthly 0.5 https://www.tkmatima.com/blog/tag/savings monthly 0.5 https://www.tkmatima.com/blog/tag/DEFI monthly 0.5 https://www.tkmatima.com/blog/tag/NFT monthly 0.5 https://www.tkmatima.com/blog/tag/zk-snark monthly 0.5 https://www.tkmatima.com/blog/tag/development monthly 0.5 https://www.tkmatima.com/blog/tag/zk-stark monthly 0.5 https://www.tkmatima.com/blog/tag/supply+chain monthly 0.5 https://www.tkmatima.com/blog/tag/Arweave monthly 0.5 https://www.tkmatima.com/blog/tag/lottery monthly 0.5 https://www.tkmatima.com/blog/tag/zero-knowledge monthly 0.5 https://www.tkmatima.com/blog/tag/cybersecurity monthly 0.5 https://www.tkmatima.com/blog/tag/crypto monthly 0.5 https://www.tkmatima.com/blog/tag/stablecoin monthly 0.5 https://www.tkmatima.com/blog/tag/blockchain monthly 0.5 https://www.tkmatima.com/blog/tag/Insurance monthly 0.5 https://www.tkmatima.com/blog/tag/low-income monthly 0.5 https://www.tkmatima.com/blog/tag/ZKP monthly 0.5 https://www.tkmatima.com/blog/tag/currencies monthly 0.5 https://www.tkmatima.com/about daily 1.0 2025-11-18 https://www.tkmatima.com/publications daily 0.75 2025-11-18 https://www.tkmatima.com/security-research daily 0.75 2025-11-18 https://www.tkmatima.com/books daily 0.75 2025-11-18 https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600593498460-87F3PZ8NR3Z2WELW6RNZ/betting-on-a-darkie.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/c4a384a1-5042-471f-88c2-e18a865b4629/Screenshot+2021-04-17+at+14.29.09.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/d6acbe3b-712c-45a5-a2b5-41813510f38d/changing+world+order.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1a92d212-fdf5-4b8c-983b-27d795e9f7a7/trading+volatility.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600593498522-84EV9BJ5ECRULU6IBWUW/prosperity-paradox.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/6354fd07-5e91-439b-a602-72b88074c0bf/Screenshot+2021-04-17+at+14.31.22.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/0f49a8b8-261d-448b-b21a-eade84a7c218/money+free.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600593494886-J3HZAAM1JAUIFV4NM8SE/That+will+never+work.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/7a75f8b2-856f-4812-95df-0e443f6241b9/Screenshot+2021-04-17+at+14.33.52.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/aa998d28-e623-4338-843c-461627b53436/The+network+state.jpeg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600593496963-OCQC8PAVTE1EY8AVH418/the-upside-of-down-17.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/94591be6-4e86-4fe0-87d0-ed2046ec3702/Screenshot+2021-04-17+at+14.35.34.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600593665206-N7CBZ6ECUXEU9CD5PE3N/building+reliable+software.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/bf7a0c2e-aac2-4100-a895-e52e721e2e6c/Screenshot+2021-04-18+at+06.49.24.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594145664-6NQP0JEF9SPZJLBXOD80/cyberdilemma_0.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/3b21f58f-b2ae-401c-a78d-8085c48be297/Screenshot+2021-04-17+at+14.43.35.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594174203-641Y55GLNQYPA6TX3PJE/hit+refresh.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/a85c2709-c3b6-42ea-b61d-61de6cf5685a/childrean.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594205641-VIVFCBAFXGRQG21NDADZ/100+bagger.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/5d0f1400-cd99-43b2-8a39-db3654130472/Cashless.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594257773-25KBXIET9DMNRQJD8245/Good+to+great.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/2681add5-5d2f-4841-bac9-967e9f183a47/blocksize.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594283225-ILC3N6JZB6NV21T97GPL/the-innovation-stack-1.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/2673dfb4-ac68-47ac-b299-a42bf167cee8/infinitemachine.jpeg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594323587-O3INENWY9CHNA7DL9MOM/the+magna+carta.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/8acbfc15-6250-4ae4-87ab-9021212fa6b1/Screenshot+2021-11-29+at+09.51.47.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594364338-OZ6BJ6OH71ZJ3GJ2CRIB/trailblazer-9781471181801_hr.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/31d56d8f-7861-4bad-9488-0ff3c8661f49/Screenshot+2021-11-29+at+09.52.37.png Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600594401324-9JKEJOS50CKZDJZ4OA7L/deep-work-cal-newport-lrg.jpg Books https://images.squarespace-cdn.com/content/v1/5eee82ac3500302e38a29495/1600607883042-HDOX03R0GGDHTQ51EN0B/zero+to+one.jpg Books